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View synonyms for

DOS

1

[ daws, dos ]

noun

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


DOS

2

abbreviation for

DoS

3

[ daws, dos, dee-oh-es ]

abbreviation for

  1. Computers. denial-of-service:

    DoS protection for web servers.

DOS

/ ɒ /

acronym for

  1. 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
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Word History and Origins

Origin of DOS1

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

Examples have not been reviewed.

They called it JAWS, which stands for Job Access With Speech, but is also a playful reference to another DOS screen reader called Flipper, like the dolphin in an eponymous 1960s TV show.

From

PS: if the thought of installing Windows 98 from DOS is too intimidating, you’re in luck.

From

In the late 1990s, I was kindly, patiently coaxing senior colleagues off text-based DOS terminals and onto graphics-based Windows operating systems, wondering why they were resisting change that would make their jobs easier.

From

The 67-year-old apologized for her senior role in NXIVM, which was exposed to have operated a secret society known as "DOS" that groomed women, including minors, as sex slaves for Raniere.

From

Though Kreuk left the group and later stated she had “never experienced any illegal or nefarious activity,” Mack stayed on and eventually became a high-ranking leader of an all-women subgroup called DOS.

From

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