Mini UNIX command interpreter.
21sh uses my own implementation of libc's functions, most of them start with ft_
21sh implements:
- A series of builtins
- echo
- cd
- setenv
- unsetenv
- env
- exit
- History
- history n
- history -c
- ^string^string^
- !string
- !n
- !! and !-1
- CTRL+R (reverse-i-search)
- ⬆️ UP or ⬇️ DOWN
- Copy and Paste
- CTRL-W - Copy what is currently in front of the cursor.
- CTRL-G - Copy the entire line.
- CTRL-K - Cut or delete what is currently in front of the cursor.
- CTRL-X - Cut or delete the entire line.
- CTRL-V - Paste the last thing you deleted (using CTRL-K, CTRL-W, CTRL-G or CTRL-X ).
- Auto complete
- unset
- export
- line edition
- the “;” command line separator
- pipes “|”
- redirections “<”, “>”, “<<” & “>>”
- file descriptor aggregation (e.g.
2>&-&1>&2) - Go directly to the beginning or the end of a line by pressing home and end.
- Move directly by word towards the left or the right using ctrl+LEFT and ctrl+RIGHT.
- Simple logical operators (&& and ||)
- CTRL+T for swapping characters.
- CTRL+P get previous history.
- CTRL+H delete character from cmd
- ls alias (
l||ll)
$ git clone https://github.com/julekgwa/21sh.git
$ cd 21sh
$ make && ./21sh
MIT