The operating system has five major functions:
1. Processor management: mainly controls and manages the work of the CPU.
2. Storage management: Mainly allocate and manage memory
3. Device management: Mainly manage basic input and output devices
4. File management: Responsible for computer The organization, storage, operation and protection of files, etc.
5. Process management: Also called job management, it refers to the management of operations performed by the computer.
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