FreeDOS, the free and open-source alternative to Microsoft DOS (MS-DOS), just released a new major update. It still has excellent compatibility with MS-DOS software, including Windows 3.1 and ...

A new, ancient release of 86-DOS (0.1-C) has now been uploaded on the Internet Archive servers by Archive member "f15sim", who was previously known for uploading version 0.34 of the OS. 86-DOS 0.1 ...

Microsoft already released MS-DOS 1.25 and 2.0 in 2014, in cooperation with The Computer History Museum. [Link: Microsoft open-sources infamously weird, RAM-hungry MS-DOS 4.00 release ...

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 operating system: MS-DOS 4.0.. First released in 1988, you can now ...

Microsoft released the source code for MS-DOS versions 1.25 and 2.0 through the Computer History Museum in March 2014. This was also intended as a historical document summarizing 'how MS-DOS was ...

Viewed in this lens, MS-DOS 1.0, 2.0, 3.3, 4.0x, 5.0, or the DOS under Windows 95, all were all equally real or not-real, however you interpret its clever programming workarounds.

Before Microsoft released MS-DOS, there was 86-DOS. Now version 0.1 is online thanks to a hobbyist’s archival work.

The MS-DOS 4.00 Intel 8086 assembly code, binaries, disk images, and documentation are now available on GitHub. If you want to quickly run the OS for yourself, you can find the two disk images in ...

That’s part of the reason that both companies have released the source code for certain versions, including MS-DOS 1.25, 2.11, and as of now, 4.0.

Microsoft has announced that it is open sourcing MS-DOS 4.0, in collaboration with IBM, who developed portions of the code.It will be available under the MIT license. This came about because an ...

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

This isn't the first time Microsoft has open-sourced MS-DOS, as its GitHub repository already has versions 1.25 and 2.0, which were originally shared at the Computer History Museum back in 2014.