: the operating system of a computer that can be stored on and run off of a computer disk drive
Examples of dos in a Sentence
Recent Examples on the Web
Kyle Orland, ArsTechnica, 24 Sep. 2025
Another was Steyn van Ark, a year older, who plays at DOS Kampen.
—Daniel Taylor, New York Times, 13 Sep. 2025
In March 2019, the DOS withdrew all diplomatic personnel from the U.S. Embassy in Caracas and suspended operations.
—Nick Butler, FOXNews.com, 27 May 2025
By the mid-1990s, Windows had thoroughly cannibalized the DOS business that had built the company.
—Jackie Snow, Quartz, 3 Apr. 2025
About a month after the raid, Scheuer traveled to the residence of one of the DOS attack targets, the plea agreement said.
—Dan Mangan, CNBC, 10 Jan. 2025
With the new year looming, one of the biggest to-dos on many people’s list is to finally figure out a fitness program.
—Christa Sgobba, SELF, 28 Dec. 2024
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Noun
For decades now, the Microsoft Flight Simulator franchise has been associated with Microsoft's own DOS/Windows operating systems and, more recently, Xbox consoles (weird exceptions like this 1986 Macintosh port notwithstanding).
—Kyle Orland, ArsTechnica, 24 Sep. 2025
Another was Steyn van Ark, a year older, who plays at DOS Kampen.
—Daniel Taylor, New York Times, 13 Sep. 2025
In March 2019, the DOS withdrew all diplomatic personnel from the U.S. Embassy in Caracas and suspended operations.
—Nick Butler, FOXNews.com, 27 May 2025
By the mid-1990s, Windows had thoroughly cannibalized the DOS business that had built the company.
—Jackie Snow, Quartz, 3 Apr. 2025
About a month after the raid, Scheuer traveled to the residence of one of the DOS attack targets, the plea agreement said.
—Dan Mangan, CNBC, 10 Jan. 2025
With the new year looming, one of the biggest to-dos on many people’s list is to finally figure out a fitness program.
—Christa Sgobba, SELF, 28 Dec. 2024
Cite this Entry
“Dos.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/dos. Accessed 8 Oct. 2025.
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