Kildall and his wife Dorothy established a company, originally called "Intergalactic Digital Research" (later renamed as Digital Research, Inc.), to market CP/M through advertisements in hobbyist magazines. Digital Research licensed CP/M for the IMSAI 8080, a popular clone of the Altair 8800. As more manufacturers licensed CP/M, it became a de facto standard and had to support an increasing number of hardware variations. In response Kildall pioneered the concept of a BIOS, a set of simple programs stored in the computer hardware that enabled CP/M to run on different systems without modification.
CP/M's quick success took Kildall by surprise, and he was slow to update it for high density floppy disks and hard disks. After hardware manufacturers talked about creating a rival operating system, Kildall started a rush project to develop CP/M 2.[1] By 1981, at the peak of its popularity, CP/M ran on 3000 different computer models and DRI had $5.4 million in yearly revenues.
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| Directly involved with the development of: |
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| CP/M |
| Gem |
| GEM 3 |
REFERENCES[]
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