Unix shell

Program accepts any command line unix shell command from stdin and produces the corresponding output to stdout. It supports to run shell commands in the foreground as well as in the background (e.g.,“ls &”). In addition, it also supports changing directories, “pipe” command (e.g., “ls | wc”) and multiple commands in one line separated by “;” (e.g., “ls; ps;”). Shell program will exit when user types “exit”.

Required Package:

libreadline-dev

To install the readline library:

sudo apt-get install libreadline-dev

Command to create the binary:

gcc shell_swapnil.c -o shell_swapnil -lreadline

Ongoing work:

Adding support for multiple pipe and "&" command (greater than two).