Ars Technica

Microsoft and IBM release source code for one of the weirdest versions of MS-DOS

I try to be very gracious when people first post incorrect information. Everyone makes mistakes, even myself, and there's ample opportunities for being exposed to misinformation and/or ...
Ars Technica

Microsoft open-sources infamously weird, RAM-hungry MS-DOS 4.00 release

Microsoft has open-sourced another bit of computing history this week: The company teamed up with IBM to release the source code of 1988’s MS-DOS 4.00, a version better known for its unpopularity, ...
Electronic Design

Now and Then: Get Your Copy of MS-DOS

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 ...
ZDNet

It's baaack! Microsoft and IBM open source MS-DOS 4.0

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 ...
Neowin

Microsoft explains how you can run MS-DOS 4.00 that it officially open sourced today

Microsoft earlier today, in collaboration with IBM, announced that it is open-sourcing the MS-DOS 4.00 source code. The company has explained what was special about it and how to run it. Recently, we ...