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

History painstakingly preserved.

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

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 ...

For students of early PC history, this isn’t even the first piece of 86-DOS history that has been newly rediscovered this ...

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

You know your brand-new computer is all set to run today's top-of-the-line software. What you probably spend less time pondering is "legacy support." That is, while there may be compatibility issues, ...

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 ...

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 ...

<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 ...

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 ...