London | 25-SDC-Nov | Emiliano Uruena | Sprint 1 | Individual-shell-tools

[Emilianouz]

Self checklist

• I have titled my PR with Region | Cohort | FirstName LastName | Sprint | Assignment Title
• My changes meet the requirements of the task
• I have tested my changes
• My changes follow the style guide

Changelist

This PR adds terminal commands for file handling and text processing:

awk → how to print, filter, and sum columns.
cat → ways to view files, show line numbers, and combine content.
grep → filtering text by pattern, counting matches, and searching across files.
ls → listing files, sorting by date, and showing directory contents recursively.
sed → text replacements, removing lines/numbers, and formatting fixes.
wc → counting lines, words, and characters in files or folders.

[LonMcGregor]

Great work, this PR looks complete!