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| | Charles Babbage Institute: RESEARCH PROGRAM> Current research (Site not responding. Last check: 2007-10-13) |
 | | When IBM designed the IBM 709 computer system, it developed a new operating system (SOS), which allowed asymmetric multiprocessing (qv). |
 | | Later, IBM developed a time sharing operating system for its 360/67 model, the CP-67/CMS, which later became the VM/370, when the IBM 370 series of computer systems came onto the market in the 1970s. |
 | | They are: the IBM MVS and VM environments; the DEC VMS environment; the Unix environment; the IBM PC environment, whether DOS, OS-2, or Windows; and the Apple Macintosh environment. |
| www.cbi.umn.edu /shp/entries/operatingsystems.html (612 words) |
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