A simple UNIX shell written in C

I created it for personal usage, but decided to upload it into public repo in case if anybody would be interested in it.

Work is still in porgress, buf when you will see a "finished" topic assigned to it, feel free to contribute.

Supported features

• Command input with left and right arrow, home and end keys navigation and backspace, delete support
• Running commands in separate process and termination them with ctrl+c
• cd, exit and exec builtin commands
• Files and commands from /usr/bin autocompletion on Tab keypress
• History of commands and navigation or search through it with up/down keys
• Username, ip address and current path in prompt before each command input

Builtin commands

• cd: changes current working directory to the one specified by user. If no arguments provided, shows error.
• exit: exits shell
• exec: executes entered command and exits

TODO

• Pipes and files input/output
• Replace linux echo command with builtin one with support of environmental variables
• Environmental variables
• Ctrl+Z running programm with fd
• Getting commands path from system PATH environment variable