As the name implies, the Operating System is used for operating the System or the Computer. It is a set of computer programs, which is used to execute a specific task. The single user operating is DOS (Disk Operating System). The main functions of DOS are to manage disk files and allocate system resources according to the requirement. DOS provides vital features to control hardware devices such as Keyboard, Screen, Disk Devices, Printers, Modems and Programs.
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