A computer operating system is a computer program that manages computer hardware and software; the operating system provides an operating interface that allows users to interact with the system. Its main functions include process management, storage management, device management, file management and jobs. manage.
#The operating environment of this article: Windows 7 system, Dell G3 computer.
What is a computer operating system that manages computer hardware and software?
A computer operating system is a computer program that manages computer hardware and software resources.
The operating system needs to handle basic matters such as managing and configuring memory, determining the priority of system resource supply and demand, controlling input and output devices, operating the network and managing the file system. The operating system also provides an operating interface for users to interact with the system.
Function:
The operating system mainly includes the following functions:
1. Process management, its work is mainly process scheduling, in the case of a single user and a single task Under this condition, the processor is exclusive to only one task for one user, and the work of process management is very simple. However, in the case of multi-programming or multi-user, when organizing multiple jobs or tasks, it is necessary to solve the problems of processor scheduling, allocation and recycling.
2. Storage management is divided into several functions: storage allocation, storage sharing, storage protection, and storage expansion.
3. Device management has the following functions: device allocation, device transmission control, and device independence.
4. File management: file storage space management, directory management, file operation management, and file protection.
5. Job management is responsible for processing any requirements submitted by users.
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