-
Multics-1965
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Atlas Supervisor- 1970
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CP/M-1975
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MS-2-1981
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GNU/Linux - 1983
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Macintosh-1984
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Amiga OS - 1985
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Sun OS - 1990
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BEOS - 1990
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UNIX - 1993
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WINDOWS 98 - 1998
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WINDOWS NT - 1999
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WINDOWS 2000 -2000
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Windows Xp - 2001
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Windows Vista - 2007
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Ubuntu
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Windows 7
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Windows 8 -2012
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Windows 10- 2016