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 ...

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 ...

An Operating System remains the soul of any computer. We have seen many over time, but the one that has stood out strongly is Microsoft Windows. Windows occupies around 90 % of the total operating ...

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 ...

Google has separate operating system (OS) versions based on the device type. There's Android for smartphones and ChromeOS for Chromebooks. However, there is one such product category where both the ...

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 ...

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 ...

Thomas J Catalano is a CFP and Registered Investment Adviser with the state of South Carolina, where he launched his own financial advisory firm in 2018. Thomas' experience gives him expertise in a ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Doretha Clemons, Ph.D., MBA, PMP, has been a ...

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 ...