I got to digging and found this article: Chronology of Personal Computers
Quote:
1970
(month unknown)
* Bell Labs develops Unix. (Unix will become the dominant operating system of high end microcomputers, or workstations.) [1112.142] (1969 [1280.40])
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Quote:
1972
(month unknown)
Gary Kildall implements PL/I on the Intel 4004 processor. [266.xiv]
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Quote:
1973
(month unknown)
* Gary Kildall creates the PL/M programming language for the Intel 8008, based on PL/I. [266.137]
December
* At Intel, the first fabrication run of the 8080 processor is made. [1038.150]
(month unknown)
* Gary Kildall writes a simple operating system in his PL/M language. He calls it CP/M (Control Program/Monitor). [266.138] (Control Program for Microcomputer [346.50]) (Control Program / Microprocessor [1076.18]) (1974 [443.433] [1298.187])
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And to see how it all works together (or branches off) http://www.oshistory.net/images/non-...ory_0.3.14.pdf BUT have a magnifying glass handy and look for the red in the middle (that's Windows). Liz |