This section lists operating systems (OSs) based on closed source code. Some such OSs have open source variants (BeOS, DOS, Unix, VMS), or straddle these two licensing models (QNX). Closed Source computer programs, including OSs, are those that include no source code, and for which the source code is kept secret, or made available only for a fee, as in many realtime OSs. Closed Source Operating Systems Software Computers.
Until the late 1960s computers—large and expensive mainframe computers, machines in specially air-conditioned computer rooms—were leased to customers rather than sold. (wikipedia)
- Software Corona Software AB www
Software company located in Sweden, Software AB, creator of popular VS SPACE system for Wang VS minicomputers. Corona Software AB.
- Book. Server Administration with A/UX www
Server Administration with A/UX.
- General Apache on A/UX Performance Hints www
Apache on A/UX Performance Hints.
- Technical Tek-Tips: IBM AIX Forum www
Technical support, IBM AIX Forum, mutual help system. Forbids selling, recruiting. Tek-Tips: IBM AIX Forum.
- Usenet Comp.Unix.Aix archive www
Usenet newsgroup archive, archive, searchable by author, subject, and keywords header lines. Comp.Unix.Aix archive.
- Goal: MorphOS www
Goal: Provide modern functionality for a new OS layer and run most Amiga applications as efficiently as possible in a box environment with no Classic Amiga custom chips available. MorphOS.
- NetBSD/Amiga NetBSD/amiga - Un*x for the amiga www
NetBSD/Amiga is a free, Un*x for the amiga, portable Unix like operating system for many machines, including the Amiga. NetBSD/amiga - Un*x for the amiga.
- An FutureOS www
An alternative Operating System for the Amstrad computers CPC6128 and CPC464/6128plus, FutureOS, coded in Z80 Assembler. FutureOS.
- Amstrad Software for Amstrad CP/M www
Software for Amstrad CP/M.
- The Delphi's A2Pro Forum www
The Apple II programmer's area on the Delphi online service. Delphi's A2Pro Forum.
- Discussion Apple II Forum www
Discussion and information exchange. Apple II Forum.
- Growing BSD/OS www
- Weblog OSNews: Exploring the Future of Computing www
Weblog style online magazine on operating systems and computing environments. Exploring the Future of Computing. Daily updates, reader forum with many comments. OSNews: Exploring the Future of Computing.
- The Convergence International www
The non-Wintel user group, International, supporting Acorn, Amiga, Apple, ARM, Be, NCs, PowerPC, Psion, Unix and other alternative operating systems. Services include a non-Wintel news summary. Convergence International.
- Alexa: Closed Source Operating Systems
Alexa Directory Top Sites: Closed Source Operating Systems
- DMOZ: Closed Source Operating Systems
dmoz.org Directory: Closed Source Operating Systems