What is the function of the operating system?

The operating system * * * has five functions.

Processor management

storage administration

file management

facility management

Labor management

1, processor management:

Interrupt processing, processor scheduling, process synchronization control;

2. Storage management:

Memory space allocation, address translation and memory protection, virtual memory management;

3, file management:

File directory management, file space allocation and recovery, file operation service, file protection;

4, equipment management:

The allocation and recovery of equipment, the realization of internal and external memory exchange and the realization of virtual equipment;

5. Operation management:

Job organization, job scheduling, job control.