MS-DOS

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MS-DOS

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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Microsoft MS-DOS, Windows, Windows NT and BackOffice are either registered trademarks or trademarks of the Microsoft Corporation in the US and/or other countries.
NOTE: Microsoft MS-DOS, Windows, Windows NT, and Visual C++ are either registered trademarks or trademarks of Microsoft Corp.
continued to load illegal copies of Microsoft MS-DOS and Windows