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 ...

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 ...

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 ...

Modern operating systems are all far more secure than their historic counterparts, but which operating system is the safest? That somewhat depends on how you use it — no operating system is “safe” if ...

The world of computing has long been governed by traditional operating systems like Windows, Linux and Unix. These platforms form the backbone of how we interact with computers, enabling software to ...

An operating system is the foundation of any computing system, controlling the input and output of data and ensuring that different programs and devices work together effectively. Examples of ...