This is much more recently than I think you're thinking: https://github.com/Microsoft/MS-DOS
Dec 24, 2021 22:42:44 Travis Siegel <tsie...@softcon.com>: > That was caldera that released their opendosĀ as opensource, not Microsoft. > > There were versions of ms dos that escaped into the wild, but it wasn't a > sanctioned release from microsoft. _______________________________________________ Freedos-user mailing list Freedos-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/freedos-user