smallsh implements a subset of features of well-known shells, such as bash.

This program does the following:

1. Provides a prompt for running commands
2. Handles blank lines and comments, which are lines beginning with the # character
3. Provides expansion for the variable $$
4. Executes 3 commands exit, cd, and status via code built into the shell.
5. Executes other commands by creating new processes using a function from the exec family of functions
6. Supports input and output redirection
7. Supports running commands in foreground and background processes
8. Implements custom handlers for 2 signals, SIGINT and SIGTSTP

Running this program

Makefile included, please use make to compile

Run program using ./smallsh; or, Run with script using bash p3testscript