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Synonyms

MS DOS

American  
[em-es daws, -dos] / ˈɛmˌɛs ˈdɔs, -ˈdɒs /
Or MS-DOS
Trademark.

  1. an operating system for personal computers, originally developed by Microsoft for IBM computers.

MS-DOS British  
/ ɛmˈɛsˈdɒs /

noun

  1. computing a type of disk operating system

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of MS-DOS

C20: from M ( icro ) s ( oft ), the company that developed it, + DOS

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The smart move was that Gates gave IBM a really cheap deal but retained the right to sell the software to IBM's rivals as Microsoft MS DOS.

From BBC • Feb. 5, 2014

The Xerox software is MS DOS based and utilizes off-the shelf programs such as Microsoft Windows and Wang Image Wizard.

From Library of Congress Workshop on Etexts by Library of Congress

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.