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Re:MS-DOS v1.25 and v2.0 is now open-source by anticensor on Wednesday September 06, 2023 @04:57PM (#37411211)
And Windows XP.
Re:MS-DOS v1.25 and v2.0 is now open-source by petercooper on Wednesday September 06, 2023 @05:11PM (#37411389)
Or if we need to start the bidding low.. QBasic, perhaps? :)
Re:MS-DOS v1.25 and v2.0 is now open-source by speps on Wednesday September 06, 2023 @05:24PM (#37411538)
Sorry they started even lower actually! GW-BASIC!

https://devblogs.microsoft.com/commandline/microsoft-open-so...

Re:MS-DOS v1.25 and v2.0 is now open-source by petercooper on Wednesday September 06, 2023 @05:26PM (#37411571)
Haha, yes! Although I'm being a bit sneaky, because QBasic would also indirectly get us Edit, I think ;-) It'd be interesting to see the code behind the 90s DOS IDEs.
Re:MS-DOS v1.25 and v2.0 is now open-source by falalalala on Wednesday September 06, 2023 @06:34PM (#37412352)
Gw-basic looks a lot like what command.com should have been.
Re:MS-DOS v1.25 and v2.0 is now open-source by fuzztester on Wednesday September 06, 2023 @06:50PM (#37412512)
Kids these days ...

billg's very first BASIC, which wrote on a night flight from Albuguerque to NY, or some such, for the Altair. 'Sbin a few decades, so ah disremember.

See Ichbiah's Le Nouveaux Magiciens.

And, get off my lawn! Grrr.

Re:MS-DOS v1.25 and v2.0 is now open-source by rasz on Wednesday September 06, 2023 @08:32PM (#37413307)
XP or its parts leaked. Surprisingly Win95 codebase never saw the light of day.
Re:MS-DOS v1.25 and v2.0 is now open-source by accrual on Wednesday September 06, 2023 @11:50PM (#37414548)
I kind of wish 95 or 98 would leak so we could more effectively patch it. I would love to see a modern TLS implementation running on 9x, it's one of the main barriers to browsing on old machines. I suppose Retrozilla comes close.

Kind of a silly thing to want, and of course "unsafe" for many tasks, but fun for hobbyists nonetheless.