【正文】
play. 1983 1983 January: Apple introduces the Lisa. Notable features: Pull down menus and menu bars. Visi Corp releases Visi On, the first integrated graphical software environment for IBM PCs. Microsoft announces their new Windows program for the IBM PC but does not release it until 1985. Notable features: Is supposed to have overlapping / resizable windows. 1984 January 1984: Apple introduces the Macintosh. September: Digital Research announces its GEM icon/desktop user interface for 8086 and DOSbased puters. It also was later ported to the Atari ST. June: window system X announced at MIT. Versions 16 were monochrome only, and ran on DEC VS100’s displays connected to VAXen and VAXstations 1 and 2. Versions 810 dealt with color, for the VAXstation II/GPX. X10 is the first version that saw widespread availability and use on many vendor’s systems. Version 11 was redesign for higher performance, more window management styles, extensibility and better graphics capability 1985 1985: Geos released for Commodore 64 and later the Apple II. July: Commodore introduces the Amiga 1000 with the Amiga Workbench Version . August: Microsoft finally releases the first version of Windows. Features: Windows can not be overlapped, but are instead tiled. Windows are not allowed to cover an area at the bottom of the screen that is reserved for iconized programs. 1986 1986: Apple threatens to sue Digital Research because the GEM desktop looked too much like Apple’s Macintosh. Digital Research cripples the desktop application so Apple will not sue. The new GEM desktop now has just two unmovable, nonresizable windows for file browsing. 1987 March 1987 Apple introduces the Apple Macintosh II, the first color Macintosh. Features: 640*480*256 color with 24 bit color card available. Microsoft releases the second version of Windows, version . Features: Finally has resizable / overlapping windows and new windowing controls. Acorn releases Arthur for the Acorn puter, it is the basis for RISC OS. RISC OS 2 and 3 have a similar look, but an improved feel. 1988 September 1988: Apple releases GS/OS, a 16bit operating system with a Macintoshlike GUI for the Apple IIGS. October: IBM releases OS/2 Standard Edition (SE) which added a graphical user interface called Presentation Manager. (OS/2 was text mode only!) The GUI was written by Microsoft and looked like Windows 2. October: The NeXT Computer is released for $6500. It includes a 25 MHz ’30 processor, 8 MB RAM, 250 MB optical disk drive, math coprocessor, digital processor for real time sound, fax modem, and a 17 monitor. 1990 1990: Commodore releases Amiga Workbench 2 for the A3000. Features: New 3d effects, a revised menu system and many other improvements. May 1990: Windows released by Microsoft Features: Program Manager shell. November: PCGEOS released by