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 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 ...

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Last month, Microsoft released a modern remake of its classic MS-DOS Editor, bringing back a piece of computing history that first appeared in MS-DOS 5.0 back in 1991. The new open source tool, built ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Dany Lepage discusses the architectural ...

We’re not 100% sure which phase of Microsoft’s “Embrace, Extend, and Extinguish” gameplan this represents, but just yesterday the Redmond software giant decided to grace us with the source code for MS ...

Microsoft open-sourced 86-DOS 1.00 source code on GitHub for its 45th anniversary, according to PCWorld, including kernel and PC-DOS development snapshots. This historically significant software, ...

If when you try to move, delete, copy, or rename files/folders in Windows 11/10 and you receive the Invalid MS-DOS Function file error message, then this post will ...

After [Andy]’s discovery of an old ISA soundcard at his parents’ place that once was inside the family PC, the onset of a wave of nostalgia for those old-school sounds drove him off the deep end. This ...

Long before Windows, and even before MS-DOS, Microsoft sold a Unix-based operating system it called Xenix in 1980. It was the first OS made by the company, but it eventually sold it off in 1987. On ...

PC-DOS 1.00 would lead to Microsoft becoming computing's top dog Microsoft continues to embrace open source. The source code and annotations provide insight into the operating system's earliest days.