diff --git a/01-intro.html b/01-intro.html
index b4e252d9d..cde0a9242 100644
--- a/01-intro.html
+++ b/01-intro.html
@@ -518,7 +518,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -541,7 +541,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/01-intro.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-09",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/02-filedir.html b/02-filedir.html
index 2b73b91d5..e32b079c2 100644
--- a/02-filedir.html
+++ b/02-filedir.html
@@ -268,7 +268,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Navigating Files and Directories</h1>
-        <p>Last updated on 2024-01-08 |
+        <p>Last updated on 2024-03-08 |
         
         <a href="https://github.com/swcarpentry/shell-novice/edit/main/episodes/02-filedir.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -546,6 +546,21 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <i class="callout-icon" data-feather="bell"></i>
 </div>
 <div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a></h3>
+<div class="callout-content">
+<p>When options exist as both short and long options:</p>
+<ul><li>Use the short option when typing commands directly into the shell to
+minimize keystrokes and get your task done faster.</li>
+<li>Use the long option in scripts to provide clarity. It will be read
+many times and typed once.</li>
+</ul></div>
+</div>
+</div>
+<div id="callout6" class="callout">
+<div class="callout-square">
+<i class="callout-icon" data-feather="bell"></i>
+</div>
+<div class="section level3 callout-title callout-inner">
 <h3 class="callout-title" id="unsupported-command-line-options">Unsupported command-line options<a class="anchor" aria-label="anchor" href="#unsupported-command-line-options"></a></h3>
 <div class="callout-content">
 <p>If you try to use an option that is not supported, <code>ls</code>
@@ -585,7 +600,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <kbd>Shift</kbd>+<kbd>N</kbd> (for moving backward).</p>
 <p>To <strong>quit</strong> the <code>man</code> pages, press
 <kbd>Q</kbd>.</p>
-<div id="callout6" class="callout">
+<div id="callout7" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -625,7 +640,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -661,7 +676,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -838,7 +853,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <p>Note that in most command line tools, multiple options can be
 combined with a single <code>-</code> and no spaces between the options;
 <code>ls -F -a</code> is equivalent to <code>ls -Fa</code>.</p>
-<div id="callout7" class="callout">
+<div id="callout8" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -929,7 +944,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 </div>
 <p>Run <code>pwd</code> and <code>ls -F</code> to ensure that we’re in
 the directory we expect.</p>
-<div id="callout8" class="callout">
+<div id="callout9" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -1006,7 +1021,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>.</code> stands for the current directory.</li>
 <li>No: <code>/</code> stands for the root directory.</li>
@@ -1047,7 +1062,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: there <em>is</em> a directory <code>backup</code> in
 <code>/Users</code>.</li>
@@ -1089,7 +1104,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>pwd</code> is not the name of a directory.</li>
 <li>Yes: <code>ls</code> without directory argument lists files and
@@ -1174,21 +1189,6 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 Library/              Users/
 Network/              Volumes/</code></pre>
 </div>
-<div id="callout9" class="callout">
-<div class="callout-square">
-<i class="callout-icon" data-feather="bell"></i>
-</div>
-<div class="section level3 callout-title callout-inner">
-<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a></h3>
-<div class="callout-content">
-<p>When options exist as both short and long options:</p>
-<ul><li>Use the short option when typing commands directly into the shell to
-minimize keystrokes and get your task done faster.</li>
-<li>Use the long option in scripts to provide clarity. It will be read
-many times and typed once.</li>
-</ul></div>
-</div>
-</div>
 <div class="section level3">
 <h3 id="nelles-pipeline-organizing-files">Nelle’s Pipeline: Organizing Files<a class="anchor" aria-label="anchor" href="#nelles-pipeline-organizing-files"></a></h3>
 <p>Knowing this much about files and directories, Nelle is ready to
@@ -1323,7 +1323,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1345,8 +1345,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://swcarpentry.github.io/shell-novice/02-filedir.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/02-filedir.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-01-08",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/03-create.html b/03-create.html
index 00f562d21..ff5058609 100644
--- a/03-create.html
+++ b/03-create.html
@@ -1550,7 +1550,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1573,7 +1573,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/03-create.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-07-31",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/04-pipefilter.html b/04-pipefilter.html
index 71bfea72a..25c3ce57f 100644
--- a/04-pipefilter.html
+++ b/04-pipefilter.html
@@ -531,7 +531,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-n</code> option specifies a numerical rather than an
 alphanumerical sort.</p>
@@ -646,7 +646,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>In the first example with <code>&gt;</code>, the string ‘hello’ is
 written to <code>testfile01.txt</code>, but the file gets overwritten
@@ -697,7 +697,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Option 3 is correct. For option 1 to be correct we would only run the
 <code>head</code> command. For option 2 to be correct we would only run
@@ -799,7 +799,7 @@ <h3 class="callout-title">Piping Commands Together<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Option 4 is the solution. The pipe character <code>|</code> is used
 to connect the output from one command to the input of another.
@@ -864,7 +864,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The <code>head</code> command extracts the first 5 lines from
 <code>animals.csv</code>. Then, the last 3 lines are extracted from the
@@ -928,7 +928,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb39">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -977,7 +977,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Option 4. is the correct answer. If you have difficulty understanding
 why, try running the commands, or sub-sections of the pipelines (make
@@ -1092,7 +1092,7 @@ <h3 class="callout-title">Removing Unneeded Files<a class="anchor" aria-label="a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>This would remove <code>.txt</code> files with one-character
 names</li>
@@ -1177,7 +1177,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1200,7 +1200,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/04-pipefilter.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2024-01-17",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/05-loop.html b/05-loop.html
index b7387bc94..ad7c319d6 100644
--- a/05-loop.html
+++ b/05-loop.html
@@ -485,7 +485,7 @@ <h3 class="callout-title">Write your own loop<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -556,7 +556,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -629,7 +629,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so any file name starting with the letter c, followed by
@@ -669,7 +669,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -718,7 +718,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>The text from each file in turn gets written to the
 <code>alkanes.pdb</code> file. However, the file gets overwritten on
@@ -770,7 +770,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -1173,7 +1173,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>The second version is the one we want to run. This prints to screen
 everything enclosed in the quote marks, expanding the loop variable name
@@ -1222,7 +1222,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p>We have a nested loop, i.e. contained within another loop, so for
 each species in the outer loop, the inner loop (the nested loop)
@@ -1297,7 +1297,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1320,7 +1320,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/05-loop.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-11-10",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/06-script.html b/06-script.html
index 384bc2c70..8d8125477 100644
--- a/06-script.html
+++ b/06-script.html
@@ -592,7 +592,7 @@ <h3 class="callout-title">List Unique Species<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -660,7 +660,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>If a command causes something to crash or hang, it might be useful to
 know what that command was, in order to investigate the problem. Were
@@ -782,7 +782,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -837,7 +837,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb40">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -907,7 +907,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solutions</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -976,7 +976,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
 mode. This prints out each command as it is run, which will help you to
@@ -1049,7 +1049,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1072,7 +1072,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/06-script.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-08-05",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/07-find.html b/07-find.html
index 137218144..1b0ddae19 100644
--- a/07-find.html
+++ b/07-find.html
@@ -550,7 +550,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The correct answer is 3, because the <code>-w</code> option looks
 only for whole-word matches. The other options will also match ‘of’ when
@@ -649,7 +649,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre class="source"><code>grep -w $1 -r $2 | cut -d : -f 2 | cut -d , -f 1,3 &gt; $1.txt</code></pre>
 <p>Actually, you can swap the order of the two cut commands and it still
@@ -697,7 +697,7 @@ <h3 class="callout-title">Little Women<a class="anchor" aria-label="anchor" href
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solutions</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <pre class="source"><code>for sis in Jo Meg Beth Amy
 do
@@ -964,7 +964,7 @@ <h3 class="callout-title">Matching and Subtracting<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>Option 1 is correct. Putting the match expression in quotes prevents
 the shell expanding it, so it gets passed to the <code>find</code>
@@ -1040,7 +1040,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Find all files with a <code>.dat</code> extension recursively from
 the current directory</li>
@@ -1114,7 +1114,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 	<div id="to-top">
@@ -1137,7 +1137,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/07-find.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-11-09",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/404.html b/404.html
index f8096c028..3254d3c4e 100644
--- a/404.html
+++ b/404.html
@@ -297,7 +297,7 @@ <h1>Page not found</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -319,8 +319,8 @@ <h1>Page not found</h1>
   "url": "https://swcarpentry.github.io/shell-novice/404.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/404.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-03-05",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/CODE_OF_CONDUCT.html b/CODE_OF_CONDUCT.html
index c3019b80b..501106732 100644
--- a/CODE_OF_CONDUCT.html
+++ b/CODE_OF_CONDUCT.html
@@ -314,7 +314,7 @@ <h1>Contributor Code of Conduct</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -337,7 +337,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/CODE_OF_CONDUCT.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/LICENSE.html b/LICENSE.html
index 2f5343f16..2a33930ec 100644
--- a/LICENSE.html
+++ b/LICENSE.html
@@ -365,7 +365,7 @@ <h1>Licenses</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 	<div id="to-top">
@@ -388,7 +388,7 @@ <h1>Licenses</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/LICENSE.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/aio.html b/aio.html
index ebd340ba2..47fc8bfc7 100644
--- a/aio.html
+++ b/aio.html
@@ -535,7 +535,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-02-filedir"><p>Content from <a href="02-filedir.html">Navigating Files and Directories</a></p>
 <hr>
-<p>Last updated on 2024-01-08 |
+<p>Last updated on 2024-03-08 |
         
         <a href="https://github.com/swcarpentry/shell-novice/edit/main/episodes/02-filedir.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <div class="text-end">
@@ -822,6 +822,24 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <i class="callout-icon" data-feather="bell"></i>
 </div>
 <div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a>
+</h3>
+<div class="callout-content">
+<p>When options exist as both short and long options:</p>
+<ul>
+<li>Use the short option when typing commands directly into the shell to
+minimize keystrokes and get your task done faster.</li>
+<li>Use the long option in scripts to provide clarity. It will be read
+many times and typed once.</li>
+</ul>
+</div>
+</div>
+</div>
+<div id="callout6" class="callout">
+<div class="callout-square">
+<i class="callout-icon" data-feather="bell"></i>
+</div>
+<div class="section level3 callout-title callout-inner">
 <h3 class="callout-title" id="unsupported-command-line-options">Unsupported command-line options<a class="anchor" aria-label="anchor" href="#unsupported-command-line-options"></a>
 </h3>
 <div class="callout-content">
@@ -863,7 +881,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <kbd>Shift</kbd>+<kbd>N</kbd> (for moving backward).</p>
 <p>To <strong>quit</strong> the <code>man</code> pages, press
 <kbd>Q</kbd>.</p>
-<div id="callout6" class="callout">
+<div id="callout7" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -904,7 +922,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -940,7 +958,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -1118,7 +1136,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <p>Note that in most command line tools, multiple options can be
 combined with a single <code>-</code> and no spaces between the options;
 <code>ls -F -a</code> is equivalent to <code>ls -Fa</code>.</p>
-<div id="callout7" class="callout">
+<div id="callout8" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -1210,7 +1228,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 </div>
 <p>Run <code>pwd</code> and <code>ls -F</code> to ensure that we’re in
 the directory we expect.</p>
-<div id="callout8" class="callout">
+<div id="callout9" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -1291,7 +1309,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>.</code> stands for the current directory.</li>
@@ -1337,7 +1355,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: there <em>is</em> a directory <code>backup</code> in
@@ -1383,7 +1401,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>pwd</code> is not the name of a directory.</li>
@@ -1471,24 +1489,6 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 Library/              Users/
 Network/              Volumes/</code></pre>
 </div>
-<div id="callout9" class="callout">
-<div class="callout-square">
-<i class="callout-icon" data-feather="bell"></i>
-</div>
-<div class="section level3 callout-title callout-inner">
-<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a>
-</h3>
-<div class="callout-content">
-<p>When options exist as both short and long options:</p>
-<ul>
-<li>Use the short option when typing commands directly into the shell to
-minimize keystrokes and get your task done faster.</li>
-<li>Use the long option in scripts to provide clarity. It will be read
-many times and typed once.</li>
-</ul>
-</div>
-</div>
-</div>
 <div class="section level3">
 <h3 id="nelles-pipeline-organizing-files">Nelle’s Pipeline: Organizing Files<a class="anchor" aria-label="anchor" href="#nelles-pipeline-organizing-files"></a>
 </h3>
@@ -3134,7 +3134,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-n</code> option specifies a numerical rather than an
 alphanumerical sort.</p>
@@ -3250,7 +3250,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>In the first example with <code>&gt;</code>, the string ‘hello’ is
 written to <code>testfile01.txt</code>, but the file gets overwritten
@@ -3303,7 +3303,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Option 3 is correct. For option 1 to be correct we would only run the
 <code>head</code> command. For option 2 to be correct we would only run
@@ -3409,7 +3409,7 @@ <h3 class="callout-title">Piping Commands Together<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Option 4 is the solution. The pipe character <code>|</code> is used
 to connect the output from one command to the input of another.
@@ -3475,7 +3475,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The <code>head</code> command extracts the first 5 lines from
 <code>animals.csv</code>. Then, the last 3 lines are extracted from the
@@ -3539,7 +3539,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb39">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3590,7 +3590,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Option 4. is the correct answer. If you have difficulty understanding
 why, try running the commands, or sub-sections of the pipelines (make
@@ -3708,7 +3708,7 @@ <h3 class="callout-title">Removing Unneeded Files<a class="anchor" aria-label="a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>This would remove <code>.txt</code> files with one-character
@@ -3980,7 +3980,7 @@ <h3 class="callout-title">Write your own loop<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -4051,7 +4051,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -4126,7 +4126,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so any file name starting with the letter c, followed by
@@ -4168,7 +4168,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -4219,7 +4219,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>The text from each file in turn gets written to the
@@ -4275,7 +4275,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -4687,7 +4687,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>The second version is the one we want to run. This prints to screen
 everything enclosed in the quote marks, expanding the loop variable name
@@ -4736,7 +4736,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p>We have a nested loop, i.e. contained within another loop, so for
 each species in the outer loop, the inner loop (the nested loop)
@@ -5103,7 +5103,7 @@ <h3 class="callout-title">List Unique Species<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5171,7 +5171,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>If a command causes something to crash or hang, it might be useful to
 know what that command was, in order to investigate the problem. Were
@@ -5296,7 +5296,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -5351,7 +5351,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb40">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5421,7 +5421,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solutions</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -5490,7 +5490,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
 mode. This prints out each command as it is run, which will help you to
@@ -5820,7 +5820,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The correct answer is 3, because the <code>-w</code> option looks
 only for whole-word matches. The other options will also match ‘of’ when
@@ -5920,7 +5920,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre class="source"><code>grep -w $1 -r $2 | cut -d : -f 2 | cut -d , -f 1,3 &gt; $1.txt</code></pre>
 <p>Actually, you can swap the order of the two cut commands and it still
@@ -5968,7 +5968,7 @@ <h3 class="callout-title">Little Women<a class="anchor" aria-label="anchor" href
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solutions</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <pre class="source"><code>for sis in Jo Meg Beth Amy
 do
@@ -6238,7 +6238,7 @@ <h3 class="callout-title">Matching and Subtracting<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>Option 1 is correct. Putting the match expression in quotes prevents
 the shell expanding it, so it gets passed to the <code>find</code>
@@ -6315,7 +6315,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Find all files with a <code>.dat</code> extension recursively from
@@ -6378,7 +6378,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer>
 </div> <!-- / div.container -->
@@ -6401,8 +6401,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://swcarpentry.github.io/shell-novice/aio.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/aio.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-03-05",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/discuss.html b/discuss.html
index 88a39b4ba..e62cb6463 100644
--- a/discuss.html
+++ b/discuss.html
@@ -366,7 +366,7 @@ <h1>Discussion</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -389,7 +389,7 @@ <h1>Discussion</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/discuss.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
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diff --git a/images.html b/images.html
index 80fd3edab..91e0ab0d8 100644
--- a/images.html
+++ b/images.html
@@ -367,7 +367,7 @@ <h3 id="05-loop-figure-1">Figure 1</h3>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer>
 </div> <!-- / div.container -->
@@ -390,8 +390,8 @@ <h3 id="05-loop-figure-1">Figure 1</h3>
   "url": "https://swcarpentry.github.io/shell-novice/images.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/images.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-03-05",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/index.html b/index.html
index 2aa52fefc..87e90a31c 100644
--- a/index.html
+++ b/index.html
@@ -433,7 +433,7 @@ <h4 class="accordion-header" id="headingSolution3">Linux</h4>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -455,8 +455,8 @@ <h4 class="accordion-header" id="headingSolution3">Linux</h4>
   "url": "https://swcarpentry.github.io/shell-novice/index.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/index.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-03-05",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor-notes.html b/instructor-notes.html
index c48dc63c5..5c76e0013 100644
--- a/instructor-notes.html
+++ b/instructor-notes.html
@@ -600,7 +600,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer>
 </div> <!-- / div.container -->
@@ -623,8 +623,8 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
   "url": "https://swcarpentry.github.io/shell-novice/instructor-notes.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor-notes.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-03-05",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/01-intro.html b/instructor/01-intro.html
index 8871c5205..46ef65562 100644
--- a/instructor/01-intro.html
+++ b/instructor/01-intro.html
@@ -520,7 +520,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -543,7 +543,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/01-intro.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-06-09",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/02-filedir.html b/instructor/02-filedir.html
index 567d9053b..4f6ac94c3 100644
--- a/instructor/02-filedir.html
+++ b/instructor/02-filedir.html
@@ -268,7 +268,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
       </div>
       <hr></nav><main id="main-content" class="main-content"><div class="container lesson-content">
         <h1>Navigating Files and Directories</h1>
-        <p>Last updated on 2024-01-08 |
+        <p>Last updated on 2024-03-08 |
         
         <a href="https://github.com/swcarpentry/shell-novice/edit/main/episodes/02-filedir.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
         
@@ -320,7 +320,7 @@ <h3 class="card-title">Objectives</h3>
   <h3 class="accordion-header" id="headingInstructor1">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>Introducing and navigating the filesystem in the shell (covered in <a href="02-filedir.html">Navigating Files and Directories</a> section) can
 be confusing. You may have both terminal and GUI file explorer open side
@@ -563,6 +563,21 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <i class="callout-icon" data-feather="bell"></i>
 </div>
 <div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a></h3>
+<div class="callout-content">
+<p>When options exist as both short and long options:</p>
+<ul><li>Use the short option when typing commands directly into the shell to
+minimize keystrokes and get your task done faster.</li>
+<li>Use the long option in scripts to provide clarity. It will be read
+many times and typed once.</li>
+</ul></div>
+</div>
+</div>
+<div id="callout6" class="callout">
+<div class="callout-square">
+<i class="callout-icon" data-feather="bell"></i>
+</div>
+<div class="section level3 callout-title callout-inner">
 <h3 class="callout-title" id="unsupported-command-line-options">Unsupported command-line options<a class="anchor" aria-label="anchor" href="#unsupported-command-line-options"></a></h3>
 <div class="callout-content">
 <p>If you try to use an option that is not supported, <code>ls</code>
@@ -602,7 +617,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <kbd>Shift</kbd>+<kbd>N</kbd> (for moving backward).</p>
 <p>To <strong>quit</strong> the <code>man</code> pages, press
 <kbd>Q</kbd>.</p>
-<div id="callout6" class="callout">
+<div id="callout7" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -642,7 +657,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -678,7 +693,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -855,7 +870,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <p>Note that in most command line tools, multiple options can be
 combined with a single <code>-</code> and no spaces between the options;
 <code>ls -F -a</code> is equivalent to <code>ls -Fa</code>.</p>
-<div id="callout7" class="callout">
+<div id="callout8" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -946,7 +961,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 </div>
 <p>Run <code>pwd</code> and <code>ls -F</code> to ensure that we’re in
 the directory we expect.</p>
-<div id="callout8" class="callout">
+<div id="callout9" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -1023,7 +1038,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>.</code> stands for the current directory.</li>
 <li>No: <code>/</code> stands for the root directory.</li>
@@ -1064,7 +1079,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: there <em>is</em> a directory <code>backup</code> in
 <code>/Users</code>.</li>
@@ -1106,7 +1121,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>No: <code>pwd</code> is not the name of a directory.</li>
 <li>Yes: <code>ls</code> without directory argument lists files and
@@ -1191,21 +1206,6 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 Library/              Users/
 Network/              Volumes/</code></pre>
 </div>
-<div id="callout9" class="callout">
-<div class="callout-square">
-<i class="callout-icon" data-feather="bell"></i>
-</div>
-<div class="section level3 callout-title callout-inner">
-<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a></h3>
-<div class="callout-content">
-<p>When options exist as both short and long options:</p>
-<ul><li>Use the short option when typing commands directly into the shell to
-minimize keystrokes and get your task done faster.</li>
-<li>Use the long option in scripts to provide clarity. It will be read
-many times and typed once.</li>
-</ul></div>
-</div>
-</div>
 <div class="section level3">
 <h3 id="nelles-pipeline-organizing-files">Nelle’s Pipeline: Organizing Files<a class="anchor" aria-label="anchor" href="#nelles-pipeline-organizing-files"></a></h3>
 <p>Knowing this much about files and directories, Nelle is ready to
@@ -1340,7 +1340,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1362,8 +1362,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://swcarpentry.github.io/shell-novice/instructor/02-filedir.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/02-filedir.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-01-08",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/03-create.html b/instructor/03-create.html
index dbe3542b5..31a2c3819 100644
--- a/instructor/03-create.html
+++ b/instructor/03-create.html
@@ -1569,7 +1569,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1592,7 +1592,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/03-create.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-07-31",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/04-pipefilter.html b/instructor/04-pipefilter.html
index b496e2c49..bdfc1607f 100644
--- a/instructor/04-pipefilter.html
+++ b/instructor/04-pipefilter.html
@@ -533,7 +533,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-n</code> option specifies a numerical rather than an
 alphanumerical sort.</p>
@@ -648,7 +648,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>In the first example with <code>&gt;</code>, the string ‘hello’ is
 written to <code>testfile01.txt</code>, but the file gets overwritten
@@ -699,7 +699,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Option 3 is correct. For option 1 to be correct we would only run the
 <code>head</code> command. For option 2 to be correct we would only run
@@ -801,7 +801,7 @@ <h3 class="callout-title">Piping Commands Together<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Option 4 is the solution. The pipe character <code>|</code> is used
 to connect the output from one command to the input of another.
@@ -866,7 +866,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The <code>head</code> command extracts the first 5 lines from
 <code>animals.csv</code>. Then, the last 3 lines are extracted from the
@@ -930,7 +930,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb39">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -979,7 +979,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Option 4. is the correct answer. If you have difficulty understanding
 why, try running the commands, or sub-sections of the pipelines (make
@@ -1094,7 +1094,7 @@ <h3 class="callout-title">Removing Unneeded Files<a class="anchor" aria-label="a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>This would remove <code>.txt</code> files with one-character
 names</li>
@@ -1179,7 +1179,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1202,7 +1202,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/04-pipefilter.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2024-01-17",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/05-loop.html b/instructor/05-loop.html
index 050860a9f..4f0eded71 100644
--- a/instructor/05-loop.html
+++ b/instructor/05-loop.html
@@ -487,7 +487,7 @@ <h3 class="callout-title">Write your own loop<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -558,7 +558,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -631,7 +631,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so any file name starting with the letter c, followed by
@@ -671,7 +671,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -720,7 +720,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>The text from each file in turn gets written to the
 <code>alkanes.pdb</code> file. However, the file gets overwritten on
@@ -772,7 +772,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -1175,7 +1175,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>The second version is the one we want to run. This prints to screen
 everything enclosed in the quote marks, expanding the loop variable name
@@ -1224,7 +1224,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p>We have a nested loop, i.e. contained within another loop, so for
 each species in the outer loop, the inner loop (the nested loop)
@@ -1299,7 +1299,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1322,7 +1322,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/05-loop.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-11-10",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/06-script.html b/instructor/06-script.html
index ce0a76a39..e1aa24504 100644
--- a/instructor/06-script.html
+++ b/instructor/06-script.html
@@ -594,7 +594,7 @@ <h3 class="callout-title">List Unique Species<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -662,7 +662,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>If a command causes something to crash or hang, it might be useful to
 know what that command was, in order to investigate the problem. Were
@@ -784,7 +784,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -839,7 +839,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb40">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -909,7 +909,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solutions</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -978,7 +978,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
 mode. This prints out each command as it is run, which will help you to
@@ -1051,7 +1051,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1074,7 +1074,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/06-script.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-08-05",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/07-find.html b/instructor/07-find.html
index 76b733f4b..ca1760a76 100644
--- a/instructor/07-find.html
+++ b/instructor/07-find.html
@@ -552,7 +552,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The correct answer is 3, because the <code>-w</code> option looks
 only for whole-word matches. The other options will also match ‘of’ when
@@ -651,7 +651,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre class="source"><code>grep -w $1 -r $2 | cut -d : -f 2 | cut -d , -f 1,3 &gt; $1.txt</code></pre>
 <p>Actually, you can swap the order of the two cut commands and it still
@@ -699,7 +699,7 @@ <h3 class="callout-title">Little Women<a class="anchor" aria-label="anchor" href
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solutions</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <pre class="source"><code>for sis in Jo Meg Beth Amy
 do
@@ -966,7 +966,7 @@ <h3 class="callout-title">Matching and Subtracting<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>Option 1 is correct. Putting the match expression in quotes prevents
 the shell expanding it, so it gets passed to the <code>find</code>
@@ -1042,7 +1042,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal"><li>Find all files with a <code>.dat</code> extension recursively from
 the current directory</li>
@@ -1116,7 +1116,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -1139,7 +1139,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/07-find.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-11-09",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/404.html b/instructor/404.html
index 22648b169..617691db9 100644
--- a/instructor/404.html
+++ b/instructor/404.html
@@ -297,7 +297,7 @@ <h1>Page not found</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -319,8 +319,8 @@ <h1>Page not found</h1>
   "url": "https://swcarpentry.github.io/shell-novice/instructor/404.html",
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/404.html",
   "dateCreated": "2014-10-22",
-  "dateModified": "2024-03-05",
-  "datePublished": "2024-03-05"
+  "dateModified": "2024-03-08",
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/CODE_OF_CONDUCT.html b/instructor/CODE_OF_CONDUCT.html
index 7ced71344..57ffac5a8 100644
--- a/instructor/CODE_OF_CONDUCT.html
+++ b/instructor/CODE_OF_CONDUCT.html
@@ -316,7 +316,7 @@ <h1>Contributor Code of Conduct</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -339,7 +339,7 @@ <h1>Contributor Code of Conduct</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/CODE_OF_CONDUCT.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/LICENSE.html b/instructor/LICENSE.html
index ab1cac166..4f74928f8 100644
--- a/instructor/LICENSE.html
+++ b/instructor/LICENSE.html
@@ -367,7 +367,7 @@ <h1>Licenses</h1>
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
         <p>Template licensed under <a href="https://creativecommons.org/licenses/by-sa/4.0/" class="external-link">CC-BY 4.0</a> by <a href="https://carpentries.org/" class="external-link">The Carpentries</a></p>
-        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.3" class="external-link">pegboard (0.7.3)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
 			</div>
 		</footer></div> <!-- / div.container -->
 	<div id="to-top">
@@ -390,7 +390,7 @@ <h1>Licenses</h1>
   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/LICENSE.html",
   "dateCreated": "2014-10-22",
   "dateModified": "2023-05-02",
-  "datePublished": "2024-03-05"
+  "datePublished": "2024-03-08"
 }
 
   </script><script>
diff --git a/instructor/aio.html b/instructor/aio.html
index 533e0437d..623da5a0d 100644
--- a/instructor/aio.html
+++ b/instructor/aio.html
@@ -538,7 +538,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
 </div>
 </section></section><section id="aio-02-filedir"><p>Content from <a href="02-filedir.html">Navigating Files and Directories</a></p>
 <hr>
-<p>Last updated on 2024-01-08 |
+<p>Last updated on 2024-03-08 |
         
         <a href="https://github.com/swcarpentry/shell-novice/edit/main/episodes/02-filedir.md" class="external-link">Edit this page <i aria-hidden="true" data-feather="edit"></i></a></p>
 <p>Estimated time: <i aria-hidden="true" data-feather="clock"></i> 40 minutes</p>
@@ -587,7 +587,7 @@ <h3 class="card-title">Objectives</h3>
   <h3 class="accordion-header" id="headingInstructor1">
 <div class="note-square"><i aria-hidden="true" class="callout-icon" data-feather="edit-2"></i></div>Instructor Note</h3>
 </button>
-<div id="collapseInstructor1" class="accordion-collapse collapse" aria-labelledby="headingInstructor1" data-bs-parent="#accordionInstructor1">
+<div id="collapseInstructor1" class="accordion-collapse collapse" data-bs-parent="#accordionInstructor1" aria-labelledby="headingInstructor1">
 <div class="accordion-body">
 <p>Introducing and navigating the filesystem in the shell (covered in <a href="02-filedir.html">Navigating Files and Directories</a> section) can
 be confusing. You may have both terminal and GUI file explorer open side
@@ -842,6 +842,24 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <i class="callout-icon" data-feather="bell"></i>
 </div>
 <div class="section level3 callout-title callout-inner">
+<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a>
+</h3>
+<div class="callout-content">
+<p>When options exist as both short and long options:</p>
+<ul>
+<li>Use the short option when typing commands directly into the shell to
+minimize keystrokes and get your task done faster.</li>
+<li>Use the long option in scripts to provide clarity. It will be read
+many times and typed once.</li>
+</ul>
+</div>
+</div>
+</div>
+<div id="callout6" class="callout">
+<div class="callout-square">
+<i class="callout-icon" data-feather="bell"></i>
+</div>
+<div class="section level3 callout-title callout-inner">
 <h3 class="callout-title" id="unsupported-command-line-options">Unsupported command-line options<a class="anchor" aria-label="anchor" href="#unsupported-command-line-options"></a>
 </h3>
 <div class="callout-content">
@@ -883,7 +901,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <kbd>Shift</kbd>+<kbd>N</kbd> (for moving backward).</p>
 <p>To <strong>quit</strong> the <code>man</code> pages, press
 <kbd>Q</kbd>.</p>
-<div id="callout6" class="callout">
+<div id="callout7" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -924,7 +942,7 @@ <h3 class="callout-title">Exploring More<code>ls</code>Options<a class="anchor"
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-l</code> option makes <code>ls</code> use a
 <strong>l</strong>ong listing format, showing not only the
@@ -960,7 +978,7 @@ <h3 class="callout-title">Listing in Reverse Chronological Order<a class="anchor
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The most recently changed file is listed last when using
 <code>-rt</code>. This can be very useful for finding your most recent
@@ -1138,7 +1156,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <p>Note that in most command line tools, multiple options can be
 combined with a single <code>-</code> and no spaces between the options;
 <code>ls -F -a</code> is equivalent to <code>ls -Fa</code>.</p>
-<div id="callout7" class="callout">
+<div id="callout8" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -1230,7 +1248,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 </div>
 <p>Run <code>pwd</code> and <code>ls -F</code> to ensure that we’re in
 the directory we expect.</p>
-<div id="callout8" class="callout">
+<div id="callout9" class="callout">
 <div class="callout-square">
 <i class="callout-icon" data-feather="bell"></i>
 </div>
@@ -1311,7 +1329,7 @@ <h3 class="callout-title">Absolute vs Relative Paths<a class="anchor" aria-label
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>.</code> stands for the current directory.</li>
@@ -1357,7 +1375,7 @@ <h3 class="callout-title">Relative Path Resolution<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: there <em>is</em> a directory <code>backup</code> in
@@ -1403,7 +1421,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>No: <code>pwd</code> is not the name of a directory.</li>
@@ -1491,24 +1509,6 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 Library/              Users/
 Network/              Volumes/</code></pre>
 </div>
-<div id="callout9" class="callout">
-<div class="callout-square">
-<i class="callout-icon" data-feather="bell"></i>
-</div>
-<div class="section level3 callout-title callout-inner">
-<h3 class="callout-title" id="when-to-use-short-or-long-options">When to use short or long options<a class="anchor" aria-label="anchor" href="#when-to-use-short-or-long-options"></a>
-</h3>
-<div class="callout-content">
-<p>When options exist as both short and long options:</p>
-<ul>
-<li>Use the short option when typing commands directly into the shell to
-minimize keystrokes and get your task done faster.</li>
-<li>Use the long option in scripts to provide clarity. It will be read
-many times and typed once.</li>
-</ul>
-</div>
-</div>
-</div>
 <div class="section level3">
 <h3 id="nelles-pipeline-organizing-files">Nelle’s Pipeline: Organizing Files<a class="anchor" aria-label="anchor" href="#nelles-pipeline-organizing-files"></a>
 </h3>
@@ -3173,7 +3173,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <p>The <code>-n</code> option specifies a numerical rather than an
 alphanumerical sort.</p>
@@ -3289,7 +3289,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>In the first example with <code>&gt;</code>, the string ‘hello’ is
 written to <code>testfile01.txt</code>, but the file gets overwritten
@@ -3342,7 +3342,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>Option 3 is correct. For option 1 to be correct we would only run the
 <code>head</code> command. For option 2 to be correct we would only run
@@ -3448,7 +3448,7 @@ <h3 class="callout-title">Piping Commands Together<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>Option 4 is the solution. The pipe character <code>|</code> is used
 to connect the output from one command to the input of another.
@@ -3514,7 +3514,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>The <code>head</code> command extracts the first 5 lines from
 <code>animals.csv</code>. Then, the last 3 lines are extracted from the
@@ -3578,7 +3578,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb39">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -3629,7 +3629,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>Option 4. is the correct answer. If you have difficulty understanding
 why, try running the commands, or sub-sections of the pipelines (make
@@ -3747,7 +3747,7 @@ <h3 class="callout-title">Removing Unneeded Files<a class="anchor" aria-label="a
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>This would remove <code>.txt</code> files with one-character
@@ -4020,7 +4020,7 @@ <h3 class="callout-title">Write your own loop<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb7">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -4091,7 +4091,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>The first code block gives the same output on each iteration through
 the loop. Bash expands the wildcard <code>*.pdb</code> within the loop
@@ -4166,7 +4166,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so any file name starting with the letter c, followed by
@@ -4208,7 +4208,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <p>4 is the correct answer. <code>*</code> matches zero or more
 characters, so a file name with zero or more characters before a letter
@@ -4259,7 +4259,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>The text from each file in turn gets written to the
@@ -4315,7 +4315,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>3 is the correct answer. <code>&gt;&gt;</code> appends to a file,
 rather than overwriting it with the redirected output from a command.
@@ -4727,7 +4727,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution7" aria-expanded="false" aria-controls="collapseSolution7">
   <h4 class="accordion-header" id="headingSolution7">Show me the solution</h4>
 </button>
-<div id="collapseSolution7" class="accordion-collapse collapse" aria-labelledby="headingSolution7" data-bs-parent="#accordionSolution7">
+<div id="collapseSolution7" class="accordion-collapse collapse" data-bs-parent="#accordionSolution7" aria-labelledby="headingSolution7">
 <div class="accordion-body">
 <p>The second version is the one we want to run. This prints to screen
 everything enclosed in the quote marks, expanding the loop variable name
@@ -4776,7 +4776,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution8" aria-expanded="false" aria-controls="collapseSolution8">
   <h4 class="accordion-header" id="headingSolution8">Show me the solution</h4>
 </button>
-<div id="collapseSolution8" class="accordion-collapse collapse" aria-labelledby="headingSolution8" data-bs-parent="#accordionSolution8">
+<div id="collapseSolution8" class="accordion-collapse collapse" data-bs-parent="#accordionSolution8" aria-labelledby="headingSolution8">
 <div class="accordion-body">
 <p>We have a nested loop, i.e. contained within another loop, so for
 each species in the outer loop, the inner loop (the nested loop)
@@ -5144,7 +5144,7 @@ <h3 class="callout-title">List Unique Species<a class="anchor" aria-label="ancho
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb25">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5212,7 +5212,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
 <div class="accordion-body">
 <p>If a command causes something to crash or hang, it might be useful to
 know what that command was, in order to investigate the problem. Were
@@ -5337,7 +5337,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Show me the solution</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
 <div class="accordion-body">
 <p>The correct answer is 2.</p>
 <p>The special variables <code>$1</code>, <code>$2</code> and
@@ -5392,7 +5392,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
 <div class="accordion-body">
 <div class="codewrapper sourceCode" id="cb40">
 <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i><i aria-hidden="true" data-feather="chevron-right"></i>
@@ -5462,7 +5462,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Solutions</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
 <div class="accordion-body">
 <p>In each case, the shell expands the wildcard in <code>*.pdb</code>
 before passing the resulting list of file names as arguments to the
@@ -5531,7 +5531,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution6" aria-expanded="false" aria-controls="collapseSolution6">
   <h4 class="accordion-header" id="headingSolution6">Show me the solution</h4>
 </button>
-<div id="collapseSolution6" class="accordion-collapse collapse" aria-labelledby="headingSolution6" data-bs-parent="#accordionSolution6">
+<div id="collapseSolution6" class="accordion-collapse collapse" data-bs-parent="#accordionSolution6" aria-labelledby="headingSolution6">
 <div class="accordion-body">
 <p>The <code>-x</code> option causes <code>bash</code> to run in debug
 mode. This prints out each command as it is run, which will help you to
@@ -5862,7 +5862,7 @@ <h3 class="code-label">OUTPUT<i aria-hidden="true" data-feather="chevron-left"><
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution1" aria-expanded="false" aria-controls="collapseSolution1">
   <h4 class="accordion-header" id="headingSolution1">Show me the solution</h4>
 </button>
-<div id="collapseSolution1" class="accordion-collapse collapse" data-bs-parent="#accordionSolution1" aria-labelledby="headingSolution1">
+<div id="collapseSolution1" class="accordion-collapse collapse" aria-labelledby="headingSolution1" data-bs-parent="#accordionSolution1">
 <div class="accordion-body">
 <p>The correct answer is 3, because the <code>-w</code> option looks
 only for whole-word matches. The other options will also match ‘of’ when
@@ -5962,7 +5962,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution2" aria-expanded="false" aria-controls="collapseSolution2">
   <h4 class="accordion-header" id="headingSolution2">Show me the solution</h4>
 </button>
-<div id="collapseSolution2" class="accordion-collapse collapse" data-bs-parent="#accordionSolution2" aria-labelledby="headingSolution2">
+<div id="collapseSolution2" class="accordion-collapse collapse" aria-labelledby="headingSolution2" data-bs-parent="#accordionSolution2">
 <div class="accordion-body">
 <pre class="source"><code>grep -w $1 -r $2 | cut -d : -f 2 | cut -d , -f 1,3 &gt; $1.txt</code></pre>
 <p>Actually, you can swap the order of the two cut commands and it still
@@ -6010,7 +6010,7 @@ <h3 class="callout-title">Little Women<a class="anchor" aria-label="anchor" href
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution3" aria-expanded="false" aria-controls="collapseSolution3">
   <h4 class="accordion-header" id="headingSolution3">Solutions</h4>
 </button>
-<div id="collapseSolution3" class="accordion-collapse collapse" data-bs-parent="#accordionSolution3" aria-labelledby="headingSolution3">
+<div id="collapseSolution3" class="accordion-collapse collapse" aria-labelledby="headingSolution3" data-bs-parent="#accordionSolution3">
 <div class="accordion-body">
 <pre class="source"><code>for sis in Jo Meg Beth Amy
 do
@@ -6280,7 +6280,7 @@ <h3 class="callout-title">Matching and Subtracting<a class="anchor" aria-label="
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution4" aria-expanded="false" aria-controls="collapseSolution4">
   <h4 class="accordion-header" id="headingSolution4">Show me the solution</h4>
 </button>
-<div id="collapseSolution4" class="accordion-collapse collapse" data-bs-parent="#accordionSolution4" aria-labelledby="headingSolution4">
+<div id="collapseSolution4" class="accordion-collapse collapse" aria-labelledby="headingSolution4" data-bs-parent="#accordionSolution4">
 <div class="accordion-body">
 <p>Option 1 is correct. Putting the match expression in quotes prevents
 the shell expanding it, so it gets passed to the <code>find</code>
@@ -6357,7 +6357,7 @@ <h3 class="code-label">BASH<i aria-hidden="true" data-feather="chevron-left"></i
 <button class="accordion-button solution-button collapsed" type="button" data-bs-toggle="collapse" data-bs-target="#collapseSolution5" aria-expanded="false" aria-controls="collapseSolution5">
   <h4 class="accordion-header" id="headingSolution5">Show me the solution</h4>
 </button>
-<div id="collapseSolution5" class="accordion-collapse collapse" data-bs-parent="#accordionSolution5" aria-labelledby="headingSolution5">
+<div id="collapseSolution5" class="accordion-collapse collapse" aria-labelledby="headingSolution5" data-bs-parent="#accordionSolution5">
 <div class="accordion-body">
 <ol style="list-style-type: decimal">
 <li>Find all files with a <code>.dat</code> extension recursively from
@@ -6420,7 +6420,7 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
         <p>Materials licensed under <a href="LICENSE.html">CC-BY 4.0</a> by the authors</p>
         
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 </div> <!-- / div.container -->
@@ -6443,8 +6443,8 @@ <h3 class="callout-title">Key Points<a class="anchor" aria-label="anchor" href="
   "url": "https://swcarpentry.github.io/shell-novice/instructor/aio.html",
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index 875a21ed4..3c141e17d 100644
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -391,7 +391,7 @@ <h1>Discussion</h1>
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index 7c9a42780..7a64f23a4 100644
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -392,8 +392,8 @@ <h3 id="05-loop-figure-1">Figure 1</h3>
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-  "dateModified": "2024-03-05",
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diff --git a/instructor/index.html b/instructor/index.html
index ab22b712f..3579ddc2e 100644
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -524,8 +524,8 @@ <h4 class="accordion-header" id="headingSolution3">Linux</h4>
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index 765599f03..06b24668e 100644
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -652,8 +652,8 @@ <h3 id="03-create-headingInstructor1">
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index 9ff0a5ae5..e42774176 100644
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@@ -266,7 +266,7 @@ <h1>Learner Profiles</h1>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 	<div id="to-top">
@@ -288,8 +288,8 @@ <h1>Learner Profiles</h1>
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   "identifier": "https://swcarpentry.github.io/shell-novice/instructor/profiles.html",
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-  "dateModified": "2024-03-05",
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diff --git a/instructor/reference.html b/instructor/reference.html
index 01d296bb9..6c26a085f 100644
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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 	<div id="to-top">
@@ -634,7 +634,7 @@ <h3 id="miscellaneous">Miscellaneous<a class="anchor" aria-label="anchor" href="
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diff --git a/key-points.html b/key-points.html
index c296cb3e9..86dc77b0e 100644
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@@ -487,7 +487,7 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -510,8 +510,8 @@ <h2 class="accordion-header" id="flush-headingTwelve">
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index 333f66b15..7f4c71009 100644
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diff --git a/pkgdown.yml b/pkgdown.yml
index 7a98c17f7..3daf3394b 100644
--- a/pkgdown.yml
+++ b/pkgdown.yml
@@ -2,5 +2,5 @@ pandoc: 3.1.11
 pkgdown: 2.0.7
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index 75d0d6cee..eb450275c 100644
--- a/profiles.html
+++ b/profiles.html
@@ -266,7 +266,7 @@ <h1>Learner Profiles</h1>
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -288,8 +288,8 @@ <h1>Learner Profiles</h1>
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diff --git a/reference.html b/reference.html
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+        <p>Built with <a href="https://github.com/carpentries/sandpaper/tree/0.16.2" class="external-link">sandpaper (0.16.2)</a>, <a href="https://github.com/carpentries/pegboard/tree/0.7.4" class="external-link">pegboard (0.7.4)</a>, and <a href="https://github.com/carpentries/varnish/tree/1.0.1" class="external-link">varnish (1.0.1)</a></p>
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@@ -632,7 +632,7 @@ <h3 id="miscellaneous">Miscellaneous<a class="anchor" aria-label="anchor" href="
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