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 Atari TT030 Distributed Computing Environment Mach (kernel) Advanced Computing Environment IBM AIX HI…

ITAC S-3000 LOCUS Inter-Language Unification SRM firmware Darwin (operating system) Mac operating systems Portable Distributed Objects Falcon Framework X/Open GNU Hurd Network File System 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 Paula Long IBM Common User Access Richard Rashid GMS (software) Comparison of BSD operat

ing systems Timeline of operating systems Pat Villani OpenSSI Encore Computer 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 JIS X 0212 TenDRA Compiler OpenLisp OpenSSL Kernel (operating system) NCSA Mosaic Microkernel Lotus 1-2-3 Pkgsrc Digital Equipment Corporation 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