csc415-p3 - Shell program

Build Instructions:

1. Navigate to the project folder (csc415-shell-program-sohe1l)
2. In the terminal run "make" to compile the code
3. Alternatively run "gcc -I -Wall myshell.c -o myshell"

Run Instructions:

1. Navigate to the project folder (csc415-shell-program-sohe1l)
2. In the terminal run "./myshell"

What The Code Does:

Simple shell program parsing input and run commands using execvp which supports:

- Parameters passing
- Running commands in the background using&
- Redirects; reading input from file (<) and writing or appending to files (> and >>)
- Running multiple commands using pipes
- Supports cd and pwd commands.

Extra credit:

The following extra credit items are implemented:

- Nested pipe commands
- Supports combination of nested pipes and redirects (> >> <)
- Supports ~ in the prompt text and the 'cd' command.