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, ...

Earlier this month, I spent a day working in the throwback world of DOS. More specifically, it was FreeDOS version 1.1, the open source version of the long-defunct Microsoft MS-DOS operating system.

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 ...

Microsoft has open-sourced another bit of computing history this week: The company teamed up with IBM to release the source code of 1988’s MS-DOS 4.00, a version better known for its unpopularity, ...

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 ...

The Config.sys is the main configuration file used by OS/2, MS-DOS and other operating systems. Config.sys commands loads programs into the memory and sets ups the memory management of the system. 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 ...

Editor’s note: After this article was published, Microsoft issued a statement clarifying that cmd.exe will not be going away after all. Read Steven J. Vaughan-Nichols’ follow-up column. My very first ...