GUIs Site News Xerox Visi On GEM Deskmate GEOS Desqview/X AmigaOS RISC OS BeOS QNX OS/2 Apple Linux/Unix Windows Win Shells Misc GUIs GUI Timeline GUI Sites: Location. Microsoft general manager for Windows Server Bill Laing officially proclaimed Windows Server 2008 "the last 32-bit operating system" the company will ever release, for either servers or clients. "We’re in the middle of a transition to 64. You can check out the…