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 ...

That screenshot seems to be MS-DOS 5.0 or later. How many end users had hard drives when 4.0 was released? Click to expand... We had a 20MB hard drive in a PC-XT clone made by Sanyo which was running ...

It's not every day that you stumble on a website powered by hardware that pre-dates the dial-up modem era of the internet, but that's exactly what's happening over at Brutmans Lab. It's a site ...

But then you had the 80836 and virtual memory; it could remap high RAM into a window in the upper memory area, so that DOS programs could see and access it just like an expanded memory hardware ...

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.

Not long after, Microsoft licensed 86-DOS from Seattle Computer Products (SCP), specifically to sub-license the OS to IBM in ...