This is a rare look at the tech giant's first operating system ...

Microsoft finally open sources DOS 1.0 - and it's so much more than the code ...

The source code for 86-DOS 1.00, the OS that eventually became MS-DOS and Windows, is now available on GitHub.

Microsoft arguably built its business on MS-DOS, and on Tuesday the software giant and the Mountain View, CA-based Computer History Museum took the unprecedented step of publishing the source code for ...

Who doesn’t remember PC games such as Maniac Mansion, the King’s Quest series and the dubious adventures of Leisure Suit ...

Microsoft has officially released another significant piece of DOS history. The "Paterson Listings" include the earliest ...

Do you still long to run WordPerfect 5.1, Lotus 1-2-3 4, or Doom on DOS? Well, if you do, there's a new way to revisit the PC world of the 1980s: The newly open-sourced PC-MOS/386 v501. PC-MOS, for ...

As the forerunner to the graphical user interfaces in Microsoft’s Windows platform, MS-DOS helped set the stage for the company’s dominance in the PC software market. When MS-DOS was released in 1981, ...

Why is Christian Science in our name? Our name is about honesty. The Monitor is owned by The First Church of Christ, Scientist, and we’ve always been transparent about that. The church publishes the ...

<I>/EDIT: Sorry all for three new topics, I posted in less than 30 mins, but I am on dial-up, and I usually write posts and mails, when not connected, and then when I on-line (for an hour or so), I ...

I recently said that an MS-DOS boot disk couldn’t be created in Windows 2000. As several readers pointed out, this isn’t quite true. An MS-DOS boot disk can be created using files located on the ...

Reader Steve P. sends in this question: “I’m running Windows 2000 and want to upgrade my system BIOS. The instructions say to create a bootable disk with the format a:/s command. However, the /s doesn ...