Microsoft and IBM open-source MS-DOS 4.00 from 1986
It has taken 38 years, but the source code of MS-DOS version 4.00 has been made available by Microsoft and IBM. The rationale for this release was because former Microsoft CTO Ray Ozzie came across beta binaries on DOS floppy disks in his collection.
The release stemmed from a correspondence wit... Read more
Microsoft makes open-source version MS-DOS available on GitHub
Microsoft makes MS-DOS once again open-source. This time the tech giant published the code on GitHub. These are MS-DOS 1.25 and 2.0. This follows an earlier decision by Microsoft to make MS-DOS open-source via the Computer History Museum - a choice it made in 2014.
The choice to publish GitHub on MS... Read more