The Operating System of a computer can be defined as a collection of software modules which extend the computer hardware and make it more convenient and easier to use for other programs.
Every computer needs to have operating system in order to run any end-user application.
There are many operating systems available. Not all of them are widely used and they vary in performance a lot. To access Windows Tutorial, click here or if you have never used Windows before here . This is not a very reliable storage space between work sessions, for several reasons. There is a high probability that these files will be erased, by other users or by accident.