Looking for non-Linux open-source options? From ghosts of past operating systems to fascinating works in progress, here are my top picks.

If you thought Windows, macOS, and Linux were the only operating systems for general-purpose PCs, you might want to take a look at the sheer number of alternative OSes out there. The FreeBSD scene ...

FreeBSD, Haiku, and other systems everyone mistakes for Linux are actually their own OS outside of the system that you are ...

Google's Big Bet: Adding Native Android App Support to Chrome Could Result in a Robust OS ...

With cybersecurity threats on the rise and data breaches occurring almost every week, it’s natural to ask: What is the most secure operating system (OS)? Unfortunately, the answer isn’t ...

A retrospective on Mac OS from I to X showcases Apple's evolution in operating systems over the years.

One problem with building things using state-of-the-art techniques is that sometimes those that look like they will be “the next big thing” turn out to be dead ends. Next thing you know, that hot new ...

The computer's master control program. When a computer is turned on, a small "boot program" loads the operating system. Although additional system modules may be loaded as needed, the main part, known ...