An operating system is a master control program that runs the computer system. In all environments, except for specialized scientific and process control applications, the operating system (OS) ...

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 ...

Deciding what operating system (OS) will keep your computer running smoothly—and with the highest level of security—is a controversial yet frequent question many business owners, government officials, ...