Why use an operating system? An operating system brings powerful benefits to computer software and software development. Without an operating system, every application would need to include its own UI ...

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 ...

MacOS and Windows are the two most popular desktop and laptop operating systems. They’re the two central OS choices dominating the desktop and laptop markets today. But have you heard of the ...

A version of this post originally appeared on Tedium, a twice-weekly newsletter that hunts for the end of the long tail. Operating systems are the cockroaches of the digital revolution. They’re ...

Sydney Butler is a technology writer with over 20 years of experience as a freelance PC technician and system builder and over a decade as a professional writer. He's worked for more than a decade in ...

An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all the other application programs in a computer. The application programs use ...

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 ...