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1981_xerox-8010-atar
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1983_apple-lisa-1
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1984_mac-os-1
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1984_visi-on
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1985_amiga-workbench-101
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1985_windows-1.1
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1986_geos_commodore_64
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1987_windows-2
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1988_IBM-OS_2-1.1
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1989_nextstep_1.0
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1990_windows-3.0
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1991_Mac_OS-7
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1992_windows_3.11
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1995_windows-95
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1996_IBM_OS-2-warp-4
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1997_MacOs-8
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1998_windows-98
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1998_-kde_1.0
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1999_gnome-1.0
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2001_Mac -OS-X-1
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2001_windows-vista
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2002_kde-3
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2007_windows-vista
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2007_Mac-OS_X-leopard
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2008_gnome_2.24
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2008_kde-4
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2009_windows_7
