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CP/M Last modified: Friday, January 31, 2003

Abbreviation of Control Program for Microcomputers. Created by Digital Research Corporation, CP/M was one of the first 8-bit operating systems for personal computers. However, Digital Research Corporation made a critical strategic error by not agreeing to produce an operating system for the first IBM PC. According to the folklore, the president of Digital Research was flying his airplane when IBM came to call. IBM marched out and never looked back. Instead, IBM turned to Microsoft Corporation, which developed MS-DOS based on version 2.2 of CP/M. By the mid 1980s, MS-DOS had become the standard operating system for IBM-compatible personal computers. CP/M is now obsolete.

Downloadable CP/M C compiler Provides links to download a CP/M C compiler and related documentation. Yahoo!'s CP/M page Yahoo!'s directory of CP/M. CP/M FAQ Comprehensive FAQ for CP/M from the comp.os.cpm newsgroup. CP/M information archive Contains links to CP/M related documents, newsgroups, FTP sites, and related Web sites. Digital Research CP/M Contains a brief history of CP/M, with links to Caldera's CP/M archive and FAQ.