Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. Before Windows, there was MS-DOS—that’s the Microsoft Disk ...

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 ...

MS-DOS or Microsoft Disk Operating System was the dominant operating system for Personal Computer throughout the 80s. MS-DOS is a non-graphical command line operating system. MS-DOS allows the user to ...

What was Microsoft’s best Windows operating system of all time? If you’re like us, you have…opinions. Even if you’re not the type to parse through all of the little details that separated Windows 98 ...

FreeDOS is an open source operating system that allows you to run MS-DOS applications even though Microsoft stopped developing and supporting MS-DOS more than two decades ago. While FreeDOS has been ...

Right now, as I sit here typing these words, it is February of the year 2017. The words of which I speak? They are entirely about DOS. Yes—that DOS. The one that powered so many computers throughout ...

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 ...

TL;DR: Microsoft will likely never release the original source code of Windows into the wild, but the company is clearly interested in sharing important episodes of its software development history.