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 ...

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) ...

Microsoft Windows Server OS (operating system) is a series of enterprise-class server operating systems designed to share services with multiple users and provide extensive administrative control of ...