ESSENTIALS OF OPERATING SYSTEMS

ESSENTIALS OF OPERATING SYSTEMS

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An operating system (OS) is the program that, after being initially loaded into the computer by a boot program, manages all of the other application programs in a computer. The application programs make use of the operating system by making requests for services through a defined application program interface (API). In addition, users can interact directly with the operating system through a user interface, such as a command-line interface (CLI) or a graphical UI (GUI). An OS brings powerful benefits to computer software and software development. Without an operating system, every application ...