March 26, 2014
The veteran MS-DOS operating system was originally called 86-DOS when it was created by Tim Paterson in August 1980. In May 1981, Paterson joined Microsoft, who bought his operating system from him for $ 75,000 in July. they released under the name MS-DOS or PC-DOS for IBM.
For its part, while Word originally debuted in 1983, it couldn’t beat the success of the most important word processor of the day, WordPerfect. It was only when Microsoft released the version for Windows in 1989 that this situation changed, as it took only four years to reach half of the world market for word processors.
via Microsoft releases source code for MS-DOS 1.1 and 2.0, plus Word for Windows 1.1a – FayerWayer.
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