this post was submitted on 26 Apr 2024
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Microsoft Just Released MS-DOS Source Code! (github.com)
submitted 6 months ago by pastermil@sh.itjust.works to c/opensource@lemmy.ml
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[–] henfredemars@infosec.pub 150 points 6 months ago (2 children)

The MS-DOS v1.25 and v2.0 files were originally shared at the Computer History Museum on March 25th, 2014 and are being (re)published in this repo to make them easier to find[.]

[–] zarenki@lemmy.ml 131 points 6 months ago

In 2014, MS-DOS 1.25 and 2.0 were released under a Microsoft shared-source license (Microsoft Research License) which forbids redistribution

In 2018, both versions were published to GitHub and relicensed as MIT, making them properly open-source

Today, MS-DOS 4.00 was added to that repo, also under MIT.