UNIX C shell

UI Unix International Unix

unix operating system unix

UNIX to UNIX network

unix-to-unix copy program

Unix-to-Unix copy protocol

USG UNIX System Group UNIX

USL UNIX System Laboratories UNIX

Unix to Unix encoding

shell-to-shell distance

A version of UNIX

authentication method of Unix

berkeley software distribution unix

Berkeley Unix

BSD UNIX

European UNIX Network

HPUX Hewlett – Packard UNIX

large uniX

NUC NetWare Unix Client