45 years later, earliest DOS source code transcribed from a stack of old printouts found in a garage — code was open-sourced to mark 86-DOS 1.00’s anniversary

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www.tomshardware.comby https://www.tomshardware.com/author/mark-tysonMay 2, 2026Submitted May 6, 2026

Microsoft continues to make some of the earliest chapters of its operating system history open-source and freely available. Earlier this week, it announced that Tim Paterson's DOS listings, containing source...

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