Operating system Windows 7

WHAT IS OS ?

An operating system is a program which acts as an interface between a user of a computer the computer hardware.The purpose of an operating system is to provide an environment in which a user may execute programs.The primary

goal of an operating system is thus to make the computer system convenient use. os is the most important program that run of a computer, operating systems perform basic tasks such as recognizing input from the keyboard. sending output to the monitor keeping track of files and directories on the disk and controlling peripheral devices such as disk drives and printers. Examples of popular microcomputer OS are Windows, DOS, OS/2 for PCs and Mac OS for Apple computers, etc.

Types of operating system

Below is a basic list of the different types of operating systems and a few examples of operating systems that fall into each of the categories. Many computer operating systems will fall into more than one of the below categories.

1.GUI operating system
GUI stands for Graphical User Interface. A GUI operating system contains graphics and icons and is commonly navigated by using a computer mouse, Below are some examples of GUI Operating Systems.

Microsoft Windows
Mac OS
X Window System

2.Multi-user operating System
A multi-user operating system allows for multiple users to use the same computer at the same time and/or different times, Below are some examples of multi-user operating systems.

UNIX
MVS

3.Multiprocessing Operating System
An operating system capable of supporting and utilizing more than one computer processor Below are some examples of multiprocessing operating systems,

UNIX
OS/2

4.Multitasking operating System
An operating system that is capable of allowing multiple software processes to run at the same time. Below are some examples of multitasking operating systems.

Linux o
Microsoft Windows

5.Multithreading operating System

Multithreading operating systems are operating systems that allow different parts of a single software program to run concurrently, Multithreading is the ability of an execute different parts of a program, called threads, simultaneously. operating systems that would fall into this category are: