Tru64 UNIX OSF/1 Unix International Unix wars OSF Open Software Foundation List of Unix systems Unix History of Unix Single UNIX Specification Common Open Software Environment Motif (software) Unix System Laboratories Locus Computing Corporation Architecture Neutral Distribution Format Addamax Berkeley Software Distribution Ultrix XNU AdvFS MoOLIT MkLinux Presentation Manager ECOFF Common Desktop Environment DEC MICA OPEN LOOK The Open Group A/UX HP-UX Comparison of IRC clients History of the Berkeley Software Distribution PowerOpen Environment Armando Stettner DECstation AT&T Computer Systems Thttpd IXI Limited Distributed Computing Envir…

ronment Atari TT030 Mach (kernel) Advanced Computing Environment IBM AIX HITAC S-3000 Inter-Language Unification LOCUS SRM firmware Darwin (operating system) Mac operating systems Portable Distributed Objects Falcon Framework X/Open Network File System GNU Hurd DCE/RPC Extended Unix Code Synergy DBL Santa Cruz Operation DECpc AXP 150 Crypt (C) SMS (hydrology software) List of operating systems ClamAV Cryptlib Boehm garbage collector IBM Common User Access Paula Long Richard Rashid GMS (software) Comparison of BSD operating sys

tems Timeline of operating systems Pat Villani Encore Computer OpenSSI Linux malware Object Windows Library Oracle Solaris LessTif Jon Callas HP 9000 Status key DEC 3000 AXP Universally unique identifier Open Database Connectivity DEC Alpha Kendall Square Research PA-RISC TenDRA Compiler JIS X 0212 OpenLisp OpenSSL Kernel (operating system) NCSA Mosaic Microkernel Lotus 1-2-3 Digital Equipment Corporation Pkgsrc Virgil D. Gligor 64-bit computing Netscape Navigator Comparison of operating systems Gotabaya Rajapaksa HTTP cookie Comparison of cluster software Comparison of operating system kernels