DOS

[ daws, dos ]

/ dɔs, dɒs /

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noun Computers.

any of several single-user, command-driven operating systems for personal computers, especially MS DOS.

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Origin of DOS

d(isk)o(perating)s(ystem)

Words nearby DOS

dorty, Dorval, dory, doryman, dory skiff, DOS, dos-à-dos, dosage, do's and don'ts, dose, dose equivalent

Other definitions for DOS (2 of 3)

DOS

abbreviation

Department of State.

Other definitions for DOS (3 of 3)

DoS

[ daws, dos, dee-oh-es ]

/ dɔs, dɒs, ˈdiˌoʊˈɛs /

abbreviation

Computers. denial-of-service: DoS protection for web servers.

How to use DOS in a sentence

In 1998, Joel Thomas Zimmerman was 16 years old, noodling around with vintage DOS music software like Impulse Tracker.
Mickey Mouse Takes Deadmau5 to Court|Jay Michaelson|September 3, 2014|DAILY BEAST
Despite signing paperwork and a checklist of dos and don'ts, I was in way over my head.
My ‘Kink’ Nightmare: James Franco’s BDSM Porn Documentary ‘Kink’ Only Tells Part of the Story|Aurora Snow|August 30, 2014|DAILY BEAST
As Sherman herself starred in that series, so Franco stars–in drag–in his re-dos.
Why Does the Art World Coddle James Franco?|Jessica Dawson|April 22, 2014|DAILY BEAST
He took pride in helping struggling Brazilians like Pereira dos Santos.
The Brutal Fall of Brazilian Billionaire Eike Batista|Mac Margolis|June 25, 2013|DAILY BEAST

Dos Passos interweaved the stories of his more proletarian subjects with biographies of some well-known Americans.
Individual Lives in an Unforgiving America|Michael Tomasky|May 22, 2013|DAILY BEAST
At the end of the stone bridge, at the ponte dos tres pontes, next to Recife, the guards are more numerous and strict.
Journal of a Voyage to Brazil|Maria Graham
"Keep cool, Wes," MacHenery whispered to his opponent as they dos-à-doed back into position.
The Great Potlatch Riots|Allen Kim Lang
His brother Lawrence having fallen ill of consumption, Washington went with him to Barba-dos, where he had an attack of smallpox.
The Story of the Thirteen Colonies|H. A. (Hlne Adeline) Guerber
The "Dos Estrellas" Mine is yet another example of this successful district.
Mexico|Charles Reginald Enock
There are very few lakes in Brazil, and only one worth speaking of—the Lagoa dos Platos—which is 150 miles long.
Martin Rattler|R.M. Ballantyne

British Dictionary definitions for DOS

DOS

/ (dɒs) /

n acronym for trademark computing

disk-operating system, often prefixed, as in MS-DOS and PC-DOS; a computer 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