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MS DOS

or MS-DOS

[em-es daws, -dos]
See more synonyms for MS DOS on Thesaurus.com
Trademark.
  1. an operating system for personal computers, originally developed by Microsoft for IBM computers.
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Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words for ms dos

executive, dos, MS-DOS, OS, UNIX, Windows