CP/M

American

Trademark.

Control Program/Microprocessors: a microcomputer operating system.

CP/M British

noun

an operating system widely used on microcomputers to enable a wide range of software from many suppliers to be run on them

"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

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

At the time, Gary Kildall’s CP/M operating system was the industry standard.

From Salon

Even though the newly established Microsoft company couldn’t fill IBM’s needs, Gates and Allen saw an opportunity, and so they hurriedly bought the rights to another local company’s OS — which was based on Kildall’s CP/M system.

From Salon

It was sold for a quarter of the price of CP/M, a rival's product, and IBM's market power did the rest.

From BBC

Looking back, this was the nail in the coffin for CP/M, or competing PC operating systems for years to come.

From Forbes

Mr. Kildall, who died in 1994, invented the CP/M operating system in 1974, and it was the standard operating system for most PCs until the early 1980s.

From New York Times

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023