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Company / developer Digital Research, Inc. / Gary Kildall
Programmed in PL/M
Working state Historic
Source model Originally closed source, now open source[1]
Latest stable release 3.1 / 1983[2]
Available programming languages(s) Assembly language, BASIC, Modula-2, Pascal etc.
Supported platforms Intel 8080, Intel 8085, Zilog Z80, Intel 8086, Motorola 68000
Kernel type Monolithic kernel
Default user interface Command line interface
License Originally proprietary, now BSD-like
Official website Digital Research official CP/M page

CP/M (Control Program for Microcomputers[3]) was an Operating System for computers used in the 1970s and early 1980. Originally, it supported up to 64 kb of main memory. It was command-line based, and came before MS-DOS.

Sources[change | change source]

  1. CP/M collection is back online with an Open Source licence The Register, November 26, 2001
  2. Mann, Stephen (15 August 1983). "CP/M Plus, a third, updated version of CP/M". Info World 5 (33): 49ff. ISSN 0199-6649. 
  3. Newton, Harry (2000). Newton's Telecom Dictionary. New York, NY: CMP Books. p. 228. ISBN 1-57820-053-9.