operating system ,types os operating system(OS)

What is  operating system?

Operating system is used to interact between user and hardware.

It is system software resource manager e.g. any software applications like notepad open, close and edit.

It recognizes hardware and work them  properly.

OS mainly used for functioning all programs working smoothly and in disciplined manner it is called multi tasking.

Without os we can’t run computer.

So many operating systems available in the market. Popular os are windows(DOS,windows98,xp,vista,windows7).UNIX(LINUX,UBUNTU) and MAC OS.