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MS-DOS

  1. Initialism of Microsoft Disk Operating System, an operating system for IBM-compatible personal computers in the 1980s and 1990s, eventually succeeded by standalone versions of Microsoft Windows.
    • 1994 August 29, John M. Goodman, “The DOS heavyweights go another round”, in InfoWorld, page 87:
      In its MS-DOS, Version 6.22, Microsoft added a legally correct version of data compression and enhanced the operating system's safety features.

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