CP/M

CP/M
	A screenshot of CP/M-80.
Developer	Digital Research, Inc. / Gary Kildall
Written in	PL/M
Working state	Historic
Source model	Originally closed source, now open source
Latest release	3.1 / 1983
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

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

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[1] CP/M collection is back online with an Open Source licence The Register, November 26, 2001

[Mann83-2] 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. pp. 228. ISBN 1-57820-053-9.

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