An operating system is the essential software that's needed to run your computer's suite of software. Everything from video ...

Virtual machines, simulated PCs with their own operating systems running within another computer’s software, are super freakin’ cool. (That’s a technical term, I’m a professional technology writer.) ...

Free operating systems based on the Linux operating system kernel invented and published by Linus Torvalds are now a serious alternative to Windows, not least due to the wide range of open source ...