diff --git a/nasm/README.md b/nasm/README.md
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+# Netwide Assembler
+
+This is the netwide assembler and it is meant to be used in the binary compatibility mode of unikraft.
+
+## Content
+- sample_code.s: a sample assembly code file that can be assembled using nasm.
+- usr/bin/nasm: the nasm binary
+- lib/ & lib64/: the required libraries for nasm
+
+## Extract dynamic libraries
+```../extract.sh usr/bin/nasm```
+
+output:
+```
+Copying /lib/x86_64-linux-gnu/libc.so.6 ...
+Copying /lib64/ld-linux-x86-64.so.2 ...
+```
+
+## Run on linux
+```nasm sample_code.s```
+
+## Run on unikraft
+```./run.sh -r ../dynamic-apps/nasm/ usr/bin/nasm sample_code.s```
+
+This should generate the output file ```sample_code``` which is the assembled machine code generated by nasm.
diff --git a/nasm/lib/x86_64-linux-gnu/libc.so.6 b/nasm/lib/x86_64-linux-gnu/libc.so.6
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diff --git a/nasm/lib64/ld-linux-x86-64.so.2 b/nasm/lib64/ld-linux-x86-64.so.2
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diff --git a/nasm/sample_code.s b/nasm/sample_code.s
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+BITS 64
+
+xor rax, rax
+test rdi, rdi
+jz end
+
+loop:
+cmp byte [rdi], 0
+jz end
+
+xor rbx, rbx
+mov bl, byte [rdi]
+cmp bl, 0x5a
+ja loop_end
+
+push rax
+push rdi
+mov rdi, rbx
+mov rax, 0x403000
+call rax
+pop rdi
+mov byte [rdi], al
+pop rax
+inc rax
+
+loop_end:
+inc rdi
+jmp loop
+
+end:
+ret
diff --git a/nasm/usr/bin/nasm b/nasm/usr/bin/nasm
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diff --git a/p7zip/7z b/p7zip/7z
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diff --git a/p7zip/7z.so b/p7zip/7z.so
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diff --git a/p7zip/7zCon.sfx b/p7zip/7zCon.sfx
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diff --git a/p7zip/7za b/p7zip/7za
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diff --git a/p7zip/7zr b/p7zip/7zr
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diff --git a/p7zip/README.md b/p7zip/README.md
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+# p7zip
+
+This is the p7zip compression utility that can be used with Unikraft bincompat mode.
+
+## Content
+
+- `lib/` & `lib64/`: required libs for p7zip
+- `/7z`: the 7z main binary
+- `7z.so`, `7za`, `7zCon.sfx`, `7zr`: different code modules for p7zip that will be used by 7z binary to perform different operations.
+
+## Extracting Dynamic Libraries
+
+```console
+../extract.sh ./7z
+```
+
+## Running on Linux
+
+This will create a new archive called `archive.zip` and add the file `README.md` to it.
+
+```console
+7z a archive.zip README.md
+```
+
+This will extract the archive:
+
+```console
+7z x archive.zip
+```
+
+## Running on Unikraft
+
+This will create a new archive called `archive.zip` and add the file `README.md` to it.
+
+```console
+./run.sh -r ../dynamic-apps/p7zip /7z a archive.zip README.md
+```
+
+This will extract an archive file called `archive.zip`.
+
+```console
+./run.sh -r ../dynamic-apps/p7zip /7z x archive.zip
+```
+
+We can use this command to check that everything worked properly:
+
+```console
+7z l archive.zip
+```
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