Introduction of operating system
first,let us understand what is meant by an operating system(OS).
A computer system comprises of :
--HARDWARE
--SOFTWARE
The two to major types of software are:
-System software
-Application software
OPERATING SYSTEM
OS is a most common system software program that runs on a computer.
An operating system acts as an interface between the user and the computer and manages the execution of all types of programs.
Example:- A operating system helps to perform basic task such as recognized the input from the keyboard and sending the output to the display screen of the computer.
- An operating system perform the following function:-
➡️device management (controlling input/output devices).
➡️memory and file storage management.
➡️process management.
➡️user application program management.
➡️error management.
➡️CPU scheduling.
➡️providing interface for interaction between user and computer system.
Types of operating system
-GRAPHICAL USER INTERFACE(GUI)
Provides interface having icons,menu etc. the user to interact with the computer,for example,windows,Linux etc.
-COMMAND LINE INTERFACE(CLI)
Interface that allow user enter command and text to interact with the computer.for example MS-DOS(disk operating system)Unix etc.
➡️ Different types of operating system according to mode of use
NETWORK OPERATING SYSTEM
An operating system designed to support a network.It enables the various computers connected to the network of share resource such as data,files,devices etc.
CLIENT OPERATING SYSTEM
An operating system that runs on desktop or notebook computer.It also knows as standalone operating system.
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| Client operating system |
