USH

This is simple command-line interpreter (based on bash) for Unix.

How to use

Compilation:

make
./ush

Reinstalliation:

make reinstall
./ush

Uninstalliation:

make uninstall

Implemented functionality

Builtin commands withщге flags

• export
• unset
• exit
• true
• false
• return
• bye
• set

Builtin commands with flags

• env with -i, -P, -u
• cd with -s, -P and - argument
• pwd with -L, -P
• which with -a, -s
• echo with -n, -e, -E

If command is not found among builtin ones, ush searches for needed binary file in folders, specified by $PATH variable.

Shell manages signals CTRL+D, CTRL+C, CTRL+Z and command separator ;

These characters are escaped to be used literally: space, ', ", $, (, ), \\, {, }.

Ush manages tilde expansion ~, the basic form of parameter expansion ${parameter}, command substitution command and $(command).

Command editing is allowed with Arrow keys.

Developers:

• Oleksand Kulinich @okulinich
• Andrii Ilchuk @ailchuk

License

Collision is an open-sourced software licensed under the MIT license.