Operating System
Operating System is a program that enables a user to use other programs on a computer device in the most general context. And if the hardware is directly linked by a software application. Many programs write to an operating system that you don’t know exactly how to use hardware so that you use common libraries.
The OS administers the hardware tools of a device, including:
• Electronic gadgets including mouse and keyboard.
• View computers, printers, and scanners, like, outputs.
Network machines like modems, switches, and links to the network.
• Store computers like drives internally or externally.
In addition, the operating system provides monitoring and execution services. Memory assignments for additional software application programs that have installed.
Functions of Operating System
Any of the essential operating systems features have given below.
Booting
Memory Management
Device Management
Security
Output Control
Job Accounting
Help detection errors
Booting
Booting is a start-up process in which the device begins to run. It monitors the device and ready for service.
Memory Management
Memory management refers to the management of Primary Memory or Main Memory. Main memory is a large array of words or bytes where each word or byte has its own address.
Main memory provides fast storage that has accessed directly by the CPU. For a program to execute, it must in the main memory. The above memory management tasks are carried out by an OS.
Processor Management of Operating System
The OS decides when and for what length of time the processor will get. This role has known as process planning. In an OS, the following processor power operations have been performed.
• Maintains processor tracks and process status. The traffic controller has regarded as the software responsible for this mission.
• Assigns to a processing device (CPU).
The processor may deallocate if a process has not needed anymore.
Device Management
An OS manages the connectivity of the system through its respective drivers. The following repair operations have performed.
• Keeps both devices tracked. The I/O controller has regarded as the program responsible for this mission.
File Management
A file system typically has arranged for easy searching and use into folders. These folders can contain files and other instructions.
The above file transfer operations have carried out by an operating system −
• Maintain information tracking, location, use, status, etc. The group services have sometimes referred to as the database.