UNIX

Letters that make UNIX

n, i, u, x are letters that make 'UNIX'

UN, nix, IX, ix, Ni are words within 'UNIX'

1 possible definitions for 'UNIX'

Under this definition, unix is a noun and has the following properties:

UNIX system, UNIX operating system have the same meaning as 'UNIX'

'UNIX' can be a type of operating system, OS.

Linux. is an instance of UNIX