Microsoft has dusted off the source code for MS-DOS and Word for Windows—some of the most popular and widely used software of the 80s—making it freely available to download from the the Computer ...

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 ...

On Tuesday, software giant Microsoft announced that it had published the source code for MS-DOS 1.1 and 2.0 along with Microsoft Word for Windows 1.1a, making it available to the public with the help ...

FreeDOS, the free and open-source alternative to Microsoft DOS (MS-DOS), just released a new major update. It still has excellent compatibility with MS-DOS software, including Windows 3.1 and earlier, ...

Microsoft’s MS-DOS (and its IBM-branded counterpart, PC DOS) eventually became software juggernauts, powering the vast majority of PCs throughout the ’80s and serving as the underpinnings of Windows ...

Microsoft has released the source code for early versions of MS-DOS and Word for Windows, making them available to the public through the Computer History Museum. The source codes on display will ...

That screenshot seems to be MS-DOS 5.0 or later. How many end users had hard drives when 4.0 was released? Click to expand... We had a 20MB hard drive in a PC-XT clone made by Sanyo which was running ...