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Why DOS Was (and Is) a Thing

In late 1980, someone at IBM had a pretty neat idea. Responding to the popularity of “personal computers” like the Apple II and the TRS-80, IBM decided to get into the game. After a fast-paced development, IBM announced the first IBM Personal Computer 5150 in August 1981. To hit the market quickly, IBM mostly used off-the-shelf parts and licensed or purchased other components from third parties. One of those was the operating system.

A Brief History of Unix

Despite powering over 90% of cloud workloads today, Unix (and Linux with it) had humble beginnings. Jim Hall discusses how Unix from Bell Labs in the 1970s became the backbone of many modern operating systems.
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