myshell

A simple Linux shell writen in C to play with system calls.

By Robert Hongpu Ma, as a homework assignment for SFU CMPT300 (Steven Pearce).

Features

• GNU readline (auto completion, history, line edit, etc.).
• Show current date and time as prompt.
• External program invocation (with PATH finding and arguments support).
• Change working directory ( cd command, with cd and cd ~ HOME shortcut support).
• Correctly handle CTRL-C (SIGINT) and CTRL-D (EOF) (same behaviour as Bash).
• Deal with possible errors for system calls.

Techniques (library, system calls, etc.)

• flex
• readline
• signal
• setjmp
• fork, execvp, waitpid
• time, localtime, strftime
• errno, perror

How to use

make
./myshell