I am currently working on a posix-inspired command line that accepts input through a keyboard, outputs to a screen using richtext, uses a file system, and has pretty much all essential linux commands such as cksum, sha256, can save, read, append, write, cat, hexdump files, it can compile lua code to bytecode, it can run bytecode, brainfudge, emulate BASIC, wumpus games, and a ton of stuff! I have a ton of stuff to finish for this, and the project is opensource, so anyone can contribute.
It already is! to-do · GitHub, you’ll need Xinu to use it, a proprietary obfuscated kernel that runs and controls modules or applications, but the exec file that’s used is opensource
It can be used. All it uses is a bindable event from a keyboard to give input, it’s executed by my kernel, but can easily be adapted to fit any other; I mainly opensourced my code for version control on github, but all of these commands, hundreds of snippets of code may still be useful to someone who is looking for them.