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
Show previous command return status in prompt and invert it with !, separated with space, specified before it
Running multiple commands separated by ;, && or ||
Expand * wildcards
Commands I/O redirection with | pipes and >, <, >>, <> file input/output

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

Replace linux echo command with builtin one with support of environmental variables
Environmental variables
Ctrl+Z running programm with fd
Gettingcommands path from system PATH environment variable for autocomplete
$() subcommands
Save history into file