Eh, that's better than nothing, even if it's closer to DOS than Linux :)

If anyone wants to talk about CP/M on the 83+ or anything seriously you can create a new thread or I can split this one off, I honestly think it would be pretty cool.

But yeah, the closest thing we have to a UNIX-like on the 83+ series would probably be KnightOS, you might want to check this out @shak0579.