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This is a list of different Unix variants, please do not add Linux distributions to the list, there should be a different list for those. The vast majority of the Unixes listed are from The operating systems catalog [1], from the Open Group, or from the Unix History files[2]
Note most of these are not the part of official standard called Unix.
Contents: Top - 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z


0-9[]

A[]

B[]

C[]

  • Coherent (Mark Williams Corp, 1980's)
  • Cromix - UNIX System V port for Cromemco (68000 CPU). Cromemco Corp., Late 1970

D[]

  • Darwin (Apple, 1998?)
  • DG\UX (Data General, 1985)
  • DragonFly BSD
  • Domain/OS - For Apollo computers, derived from BSD and Unix System V.

E[]

EP/IX

F[]

G[]

  • Genix - UNIX version for the NSC 32016. National Semiconductor
  • GNU (Richard Stallman)
  • GNU Darwin

H[]

I[]

  • IRIX (Silicon Graphics)
  • IDRIS - Version of UNIX. 68000, 8086, PDP-11, VAX. (Whitesmiths, Ltd. Late 1970s)
  • Inspur K-UX 2.0

J[]

L[]

M[]

N[]

  • NetBSD
  • NeXTSTEP
  • Nonstop-UX

O[]

  • OpenBSD
  • OpenDarwin
  • OpenSTEP
  • OpenSolaris (Sun

P[]

  • Plan 9 from Bell Labs (Bell Labs)
  • PC-UX (NEC)

Q[]

  • QNX

R[]

  • Research Unix
  • RISC iX (Acorn, 1989)

S[]

  • SCO OpenServer
  • Sinix (1983)
  • Solaris (Sun, 1980's)
    • SunOS (Sun, 1982 (becomes Solaris)

T[]

U[]

  • Ultrix DEC PDP-11 and VAX. (DEC, Early 1980's)
  • Unicos
  • UniFLEX
  • UNIX System V
  • UnixWare

V[]

  • Venix (1980)

W[]

X[]

Y[]

Z[]

  • Zeus - (Zilog Corp Late 1970s)

References[]

  1. Unix and its Derivatives retrieved on May 7. 2010.
  2. Unix History retrieved on May 7, 2010,
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