dos

variants: or do's

Definition of dos

 (Entry 1 of 2)

plural of do entry 2

DOS

noun
\ ˈdäs How to pronounce DOS (audio) \

Definition of DOS (Entry 2 of 2)

: the operating system of a computer that can be stored on and run off of a computer disk drive

First Known Use of dos

Noun

1967, in the meaning defined above

History and Etymology for dos

Noun

disk operating system

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Dictionary Entries Near dos

dory trawler

dos

DOS

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Cite this Entry

“Dos.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dos. Accessed 15 Aug. 2022.

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More Definitions for dos

dos

abbreviation

Medical Definition of dos

dosage

More from Merriam-Webster on dos

Thesaurus: All synonyms and antonyms for dos

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