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MS-DOS |
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MS-DOSin full Microsoft Disk Operating SystemOperating system for personal computers. MS-DOS was based on DOS, developed in 1980 by Seattle Computer Products. Microsoft Corp. bought the rights to DOS in 1981, and released MS-DOS with IBM's PC that year. Thereafter, most manufacturers of personal computers licensed MS-DOS as their operating system; by the early 1990s more than 100 million copies had been sold. Windows, a graphical user interface program based on MS-DOS, became a popular alternative with the release of Version 3.0 in 1990; Windows 95 fully integrated the operating system and the graphical interface. MS-DOS (MicroSoft-Disk Operating System) A single user operating system for PCs from Microsoft. It was functionally identical to IBM's PC-DOS version, except that starting with DOS 6, MS-DOS and PC-DOS each provided different sets of utility programs. Both MS-DOS and PC-DOS are called DOS. See DOS.
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