DOS 1.00 source code is opened by Microsoft

· Adafruit Industries Blog · April 29, 2026, 8:22 p.m.
history Software Vintage Computing MS-DOS 1.00 Open Source microsoft software development History of Technology
Summary
Microsoft opens the source code for DOS 1.00, a notable shift in its stance towards open source, highlighting its historical reluctance to share software and the impact of time on its decisions.
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