Hey, at least Microsoft keeps some things consistent. It’s interesting that they would preserve what’s arguably the least popular version of MS-DOS in this way, but then again there’s ...

In partnership with IBM, Microsoft has released the source code for MS-DOS 4.0, more than 35 years since the operating system made a muted appearance ahead of Windows 3.x.… MS-DOS 4.0 is a relic ...

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 ...