GEM
Computer program
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GEM is a discontinued operating environment released by Digital Research in 1985. GEM is known primarily as the native graphical user interface of the Atari ST series of computers, providing a WIMP desktop. It was also available for IBM PC... Wikipedia
Developer(s): Digital Research; Lee Jay Lorenzen
Initial release: 28 February 1985; 39 years ago
Platform: Intel 8088, Motorola 68000
Stable release: GEM/3 3.11 / 3 November 1988; 35 years ago