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Wikipedia: Gary Kildall
This site from the encyclopedia Wikipedia provides a biography on Gary Kidall details his founding of Digital Research Corporation, his creation of the CP/M Operating System, and his snubbing of IBM after their approach to use a version...
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Technofile: Gary Kildall and the Origins of the Pc
An article of how Gary Kildall invented the world's first DOS and Kildall's introduction of DR DOS.