Several times in the last couple of decades, Microsoft has released source code for the original MS-DOS operating system that kicked off its decades-long dominance of consumer PCs. This week, the ...

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 ...

How many times have you been asked what operating system version you use, and you haven’t got a clue? The question is often asked when you’re seeking technical support for software or hardware issues, ...

What are open-source operating systems? Underpinning an operating system, for example Windows on your PC or Android on your phone, is many, many lines of code. Allowing anyone to inspect the source ...

A NeXTcube computer running the NeXTSTEP operating system. Simon Claessen / Flickr Today marks the 35th anniversary of the launch of NeXTSTEP, a computer operating system launched by Steve Jobs during ...

Abstractions are the keystone of the dynamic ecosystem of information and communication technology. You can think of them as allowing you to drive a car without understanding how the engine or ...