d(isk) o(perating) s(ystem)
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Decart has two main business lines, the fastest-growing of which is known as the Decart Optimization Stack, or DOS.
From The Wall Street Journal • May 18, 2026
Its Basic programming language and DOS operating system weren’t innovative in the market—but became standards.
From Barron's • Mar. 13, 2026
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 The Verge • Jul. 14, 2022
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 Washington Post • May 26, 2022
The system does not support DOS or Unix wildcards.
From Big Dummy's Guide to the Internet by Electronic Frontier Foundation
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.
