Operating System Basics Operating systems function on the basic premise of abstraction – in other words, the basic work of the underlying system should not present itself to the user.

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. On a closed-source OS like Windows ...

I've also landed on one or two OSes that I deemed to be the "best of" for many categories. But there is one operating system that never fails to show off exactly what a desktop should be.

Between phones, tablets, laptops, media centers, smart home devices and whatever other technology is scattered around your home, there are likely multiple operating systems in your life.

The best way to surpass your personal and company goals in to constantly evaluate them.

The best alternative operating systems of 2025 in full: Why you can trust TechRadar We spend hours testing every product or service we review, so you can be sure you're buying the best.