The nostalgic software that made Microsoft huge is now open source for anyone to use

The software that helped build Microsoft into what it is today has been open-sourced on GitHub. The release marks 45 years ...
Computerworld

FORMAT C: — MS-DOS source code ‘free’ (as in lite-beer)

Microsoft (NASDAQ:MSFT) releases old source code. MS-DOS and Word For Windows are downloadable (but don’t call them ‘open’). The Computer History Museum (CHM) hosts the files for us, calling them ...
Tom's Hardware on MSN

45 years later, earliest DOS source code transcribed from a stack of old printouts found in garage

Microsoft VP confirms transcribed document “is perfect and recompiles byte for byte to the original binaries.” ...
Computerworld

Creating an MS-DOS Boot Disk in Windows XP

I mentioned before that you could create an MS-DOS boot disk in Windows XP. Several readers have asked about the procedure, so here it is. Insert a disk into your floppy disk drive and run Windows ...
TechSpot

The oldest release of MS-DOS precursor 86-DOS is now available for download

In context: Back in 1980, Tim Paterson was creating a new operating system he called QDOS or Quick and Dirty Operating System. The system was later renamed 86-DOS, as it was being designed to run on ...