Multitasking was scrapped in later versions to make way for GUI operating systems like Windows. Microsoft already released MS-DOS 1.25 and 2.0 in 2014, in cooperation with The Computer History Museum.

“On Tuesday, we dusted off the source code for early versions of MS-DOS and Word for Windows,” said Roy Levin, distinguished engineer and managing director of Microsoft Research, in a March 25 ...

This release is also interesting because it doesn’t just include include MS-DOS 4.0, which was widely available in the late 1980s, but also code and documentation for an early version of “a ...

While the availability of MS-DOS 4.00's code is undoubtedly a boon for software historians examining the lineage from MS-DOS to Windows, the GitHubbing approach may have needlessly undermined ...

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 ...

Microsoft, in conjunction with the Computer History Museum in Silicon Valley, has released the source code for MS-DOS 1.1, MS-DOS 2.0, and Word for Windows 1.1a. These programs are probably the ...

Working with the Computer History Museum, Microsoft is making the source code for MS DOS 1.1 and 2.0 and Word for Windows 1.1a available for non-commercial use.

Iain Thomson eyes the future: Retro-computing fans got a treat…when Microsoft donated the source code of MS DOS 1.1 and 2 to the…CHM, along with the first version of Word for Windows. … ...

Microsoft, in conjunction with the Computer History Museum in Silicon Valley, has released the source code for MS-DOS 1.1, MS-DOS 2.0, and Word for Windows 1.1a. These programs are probably the ...

Ever wonder what made MS-DOS tick? Soon, interested geeks will be able to root around inside the original source code for MS-DOS 1.1 and 2.0, as well as Microsoft Word for Windows 1.1, as a part ...

Microsoft announced today that it’s partnering with the Computer History Museum to make the source code for early versions of MS-DOS and Word for Windows available to the public for the first time.

Along with the source code for MS-DOS, Microsoft is also putting the code for Word for Windows 1.1a online. That was one of the first word processing programs that Microsoft offered.