Steps to run the shell
 
Run the virtual machine using ‘make qemu-nox’ or ‘make qemu’
Run the shell by entering “shell”

Commands Supported:
ls
cat
grep
echo
wc

Features provided
Pipe (|)
Input Redirection (>)
Parallel Execution (;)
Successive Execution (&&, ||)

Any commands supported can be used with any feature supported.