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Operating Systems

Operating systems, their developers, first release years, and system families.

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The records

The 10 most recently added of 80 records · Select a column heading to sort.

ID Name Developer First released Family
71 OS/400 IBM 1988 Mainframe
72 OS/390 IBM 1995 Mainframe
73 AmigaOS Commodore 1985 Amiga
74 CP/M Digital Research 1974 Other
75 OpenVMS Digital Equipment Corporation 1977 Other
76 Atari TOS Atari 1985 Other
77 RISC OS Acorn Computers 1987 Other
78 OS/2 IBM 1987 Other
79 BeOS Be Inc. 1995 Other
80 Haiku Haiku Inc. 2009 Other

Scope and sources

Last checked against sources: October 16, 2026.

Last changed: July 19, 2026. This is when we last changed the data or its description. It doesn’t mean the data runs up to that date.

A complete download includes all 80 records currently held in this dataset. Check the description and sources to decide whether its scope fits your project.

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