The company worked with IBM to release a 1998 uncompiled version DOS 4.0 on Thursday, although unfortunately, this release lacks the app-switching capabilities that landed it the nickname MT-DOS.

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 download ...

It's no joke. Microsoft and IBM have joined forces to open-source the 1988 operating system MS-DOS 4.0 under the MIT License. Why? Well, why not? That got Hanselman and Wilcox digging into the ...

TL;DR: Microsoft will likely never release the original source code of Windows into the wild, but the company is clearly interested in sharing important episodes of its software development history.

How was DOS part of the PC revolution? Is DOS still around? What did Bill write a long time ago? Remember the DOS prompt? DOS stands for disk operating system. The latest announcement is a blast from ...

Facepalm: Microsoft deserves kudos for open-sourcing the MS-DOS 4.00 source code, shedding light on an important milestone in computing history. But the tech giant has bungled the release in a way ...