A simple, small unix shell.

cd, pwd, mkdir, rmdir, exit

• shell bultin commands
• customisable prompt using PROMPT evnironment variable
• search for executables in PATH
• get/set environment variables
• standard I/O redirection to files
• unix pipes

gcc -neushell.c -o neushell

• smarter error handling
• ironing out a few bugs
• more builtins
• read from config file