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 ...

Tyler Lacoma has spent more than 10 years testing tech and studying the latest web tool to help keep readers current. He's here for you when you need a how-to guide, explainer, review, or list of the ...

Whether it's a desktop or laptop computer, a smartphone or a video game system, every modern computer needs an operating system. That's the core software on the computer that sits between application ...

I've used nearly every possible desktop operating system known. I've experienced nearly every incarnation of Windows and MacOS, I've used just about all the various Linux distributions over the years, ...

Google's Android mobile operating system is open source, which means anyone can, in theory, build their own mobile operating system based on the Android Open Source Project (AOSP). Why, then, are ...

You’re not really supposed to love an operating system. It’s like your car’s hydraulic system, your digestive system or the global financial system. It’s supposed to do its job — and not get in your ...

Upon booting up, Windows may offer you multiple operating systems from which to choose. This may occur because you previously used multiple operating systems or because of a mistake during an ...

Apple unveiled macOS Tahoe 26 during the keynote session of the Worldwide Developers Conference (WWDC) 2025. The company is rebranding the next major update of its operating system for its Mac devices ...