The company worked with IBM to release a 1998 uncompiled version DOS 4.0 on Thursday, although unfortunately, this release lacks the app-switching capabilities that landed it the nickname MT-DOS.

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

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, ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...

Who doesn’t remember PC games such as Maniac Mansion, the King’s Quest series and the dubious adventures of Leisure Suit Larry or software such as Microsoft Works and Lotus Smart Suite? These titles ...

Some things we don't think much about; we just accept them. But have you ever wondered why the hard drive on a Windows system ...

On this day in 1975, Bill Gates and Paul Allen founded a company called Micro-Soft in Albuquerque, New Mexico. The two men had worked together before, as members of the Lakeside Programming group in ...

Fond memories of beige machines. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Add us as a preferred source on Google Ah, the PC in the spare ...

It might seem like the days of MS-DOS were a lifetime ago because…well, they basically were. Version 6.22 of the venerable operating system, the last standalone release, came out back in 1994. That ...

Editor's take: Back in the DOS days, real PC users wrote their textual tomes in the official MS-DOS Editor – I certainly did. These days, developers offer a confusing array of text editors, so ...

It's no joke. Microsoft and IBM have joined forces to open-source the 1988 operating system MS-DOS 4.0 under the MIT License. Why? Well, why not? That got Hanselman and Wilcox digging into the ...