386BSD
A/UX
- Apple Corporation
AIX
- International Business Machines (IBM)
ArchBSD
- 4.4 BSD for Acorn RISC Platforms
AT&T System III
AT&T System V
AT&T 3B2
BTOS
BSD/OS
- Berkeley Software Design, Inc.
CLIX - Intergraph Corp.
Coherent
CTIX
Darwin
DC/OSx - Pyramid
DELPHI
DG/UX - Data General
Digital Unix (OSF1)(TRU64)
- Digital Equiptment Corp. (DEC)
Domain/OS
DSR/NX
Dynix
- IBM's enhanced enterprise class operating system.
ESIX
- Esix Systems
FreeBSD
- FreeBSD Organization
FreeBSD/Arm
- 4.4 BSD for the Acorn RISC Platforms
HP-UX
- Hewlett Packard (HP)
Harris' CX/UX
Helios
HEP-UPX
Hurd
- GNU
IDRIS
Interactive Unix
- Sun Microsystems
Irix
- Silicon Graphics (SGI)
Linux
LynxOS
- Lynx Real-Time System Inc.
Lunix
- Little UNIX for C64
MachTen
- Tenon Intersystems
MacOS X
Minix
Motorola Unix R40
Motorola Unix V/88
MV/UX - Data General
NCR SVR4 MP-RAS
- NCR Corporation
NetBSD
NeXT/OPENSTEP
NonStop-UX - Tandem
OpenBSD
OS/MP
- (Solbournes - Operating System/Multi-Processing
POSIX
PTX (Sequent)
QNX
- QNX Software Systems Ltd.
Reliant Unix
- Fujitsu Siemens Computer
Riscos
RT
- Encore (Real Time Unix)
SCO ODT - Santa Cruz Operation
SCO Open Server - Santa Cruz Operation
SCO XENIX
- Santa Cruz Operation
SINIX
- Siemens/Nixdorf
Solaris
- Sun Microsystems
SPARC64/OS
SPP-UX
- Convex
Stellar(?) (Stardent)
SunOS
- Sun Microsystems
Topix
- Sequoias Enterprise Systems
TRU64 (DUNIX)
- Digital Equiptment Corp./Compaq
Ultrix
- Digital Equiptment Corp. (DEC)
UMAX V R/T
UNICOS
- Cray Research
UniSoft - One of the first widely-used commercial UNIX ports.
Unixware/Univel
- Novell and Unix Systems Laboratories
USG
UTS
- Amdahl Corporation
VENIX
- VenturCom, Inc.
Version 5
Version 6
Version 7
Windows 95/98/NT/ME/2000/XP
Xenix