How did the operating system so bad it likely steered users to Linux 35 years ago come to be open-sourced now? Here's what ...

A decade after releasing the source code for MS-DOS 1.1 and MS-DOS 2.0, Microsoft has open sourced a (slightly) more recent ...

Microsoft and IBM have open-sourced MS-DOS 4.0, a legacy command line OS the two worked on together over 40 years ago.

Ten years after releasing the source code of MS-DOS 1.25 and 2.0, Microsoft is making yet another contribution to the world ...

The fumble is dumping the source into a Git repository rather than providing a pristine archive, which, as software curator ...

Microsoft has released the MS-DOS 4.00 source code, binaries, disk images, and documentation. The source code, which is ...

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 ...

In a celebration of innovation and preserving computing history, Microsoft has released the source code for MS-DOS 4.00 in ...

The open source release also included the beta build and scanned documentation of MT-DOS 4.0 built primarily by Microsoft. MT ...

Together, they once ruled the tech world. But examining their radically different results following great success holds ...

Microsoft has once again made the source code of a version of its ancient MS-DOS operating system available for download.