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main functions on a operating system

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thing on operating systems and the main functions
Tyler Stanley Un
Mind Map by Tyler Stanley Un, updated more than 1 year ago
Tyler Stanley Un
Created by Tyler Stanley Un over 6 years ago
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main functions on a operating system
  1. An operating system has three main functions: (1) manage the computer's resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software.
    1. A resource, or system resource, is any physical or virtual component of limited availability within a computer system. Every device connected to a computer system is a resource. Every internal system component is a resource. Virtual system resources include files (concretely file handles), network connections (concretely network sockets), and memory areas. Managing resources is referred to as resource management, and includes both preventing resource leaks (releasing a resource when a process has finished using it) and dealing with resource contention (when multiple processes wish to access a limited resource)
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