Unix

• UNIX

A pun on Multics to sound like eunuchs, as Unix was considered to be an emasculated Multics (see multi- and uni-). Probably coined by Brian Kernighan in 1970.

• IPA^(key): /ˈjuːnɪks/

Unix (plural Unixes or Unices)

1. (computing) A computer operating system that shares the original source code by Dennis Ritchie and Ken Thompson, currently owned by Novell.

   Hypernym: *nix

   Hyponyms: A/UX, DG/UX, HP-UX

2. (computing) An operating system largely compatible with Unix that qualifies for use of the UNIX trademark, currently owned by The Open Group.
3. (computing, informal) The above plus Unix-like operating systems similar to Unix but not qualifying for use of the UNIX trademark.

   GNU is not Unix.

4. (computing) The group of Unix operating systems as a whole.

   The Linux kernel operating system is one of the most popular forms of Unix.

• Unix time

• Linux
• GNU Hurd
• Minix