MS DOS

Groups like the Crips and MS-13 have spread from coast to coast, and even abroad.
The Daily Beast’s Best Longreads, Dec 29-Jan 4, 2014|William Boot|January 4, 2015|DAILY BEAST
The ordeal faced by Ms. Kolkiewicz, the Ebola victim, Mr. Williams, and Mr. Mutora is terrifying.
What It’s Like to Wake Up Dead|Dr. Anand Veeravagu, MD, Tej Azad|November 21, 2014|DAILY BEAST
In the ruling, she expressed her admiration for Ms. Fitzmaurice.
U.K. Courts Grant Mother Right to End Her 12-Year-Old Disabled Daughter’s Life|Elizabeth Picciuto|November 4, 2014|DAILY BEAST
Now, Carol Danvers debuted in 1968 as Ms. Marvel, an Air Force officer who crosses paths with Captain Marvel.
Inside Marvel’s Phase 3: How ‘The Avengers’ Cross Paths with Black Panther and the New Superheroes|Marlow Stern|October 30, 2014|DAILY BEAST

While it is sadly too late for Ms. Peña, there is hope beyond these dismal facts.
Elizabeth Peña and the Truth About Alcoholic Women|Gabrielle Glaser|October 24, 2014|DAILY BEAST
First, in point of view of general interest, is a collection of drawings and poems in their original MS. by Thackeray.
The Portsmouth Road and Its Tributaries|Charles G. Harper
We can easily understand that the original MS. ended here suddenly, the rest being torn away or lost.
Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer
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
Even thus, the line is imperfect, but is completed by help of the Sion MS., which reads me weel chastyce.
Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer
Even in a Chaucer MS., the curious spelling vigour or vigur for figure occurs over and over again; viz.
Chaucer's Works, Volume 1 (of 7) -- Romaunt of the Rose; Minor Poems|Geoffrey Chaucer

British Dictionary definitions for MS DOS

MS-DOS

/ (ɛmˈɛsˈdɒs) /

noun

trademark computing a type of disk operating system

Word Origin for MS-DOS

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

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