An operating system is software which works as an interface between the hardware and the user of the computer. It enables the user to give instructions to the computer. There are many types of operating systems depending on the use, like Android, BSD, iOS, GNU/Linux, OS X, QNX, Microsoft Windows, Windows Phone, and IBM z/OS.
To know more :- http://en.wikipedia.org/wiki/Operating_system
eAnswers Team
An operating system is software which works as an interface between the hardware and the user of the computer. It enables the user to give instructions to the computer. There are many types of operating systems depending on the use, like Android, BSD, iOS, GNU/Linux, OS X, QNX, Microsoft Windows, Windows Phone, and IBM z/OS.
To know more :- http://en.wikipedia.org/wiki/Operating_system