Want a blast from the past? Microsoft just open-sourced its very first operating system, offering a rare insight into the ...

Microsoft just released the source code for 86-DOS 1.00, made available as an open-source project on GitHub. The release ...

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

While most businesses use Windows-based applications, some entrepreneurs still use legacy DOS-based programs that they find useful. Whether it's because the application is no longer being developed or ...

Before Microsoft had Office, before it had Windows, it had an operating system called MS DOS. MS DOS was a command-line operating system, meaning you had to memorize a lot of commands and type them ...

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.

Microsoft DOS and the command prompt application included with Windows start at a subdirectory, such as the Windows folder or your user directory's folder, when you open them. You can change to the ...

Kenneth M. Frith is moving away from Windows XP (as he should). But he still has some old DOS programs he’s either unwilling or unable to give up. Can they run in Windows 8? The big question is: Does ...

Revisiting a classic game from the AUTOEXEC.BAT/CONFIG.SYS era of MS-DOS can be a fun distraction. But the more friction and configuration between you and a playable ...