Explain about ‘Operating Systems’ for computer
We need a 'system' (a software program) which helps us to use the computer effectively and efficiently. Such a software programme is called "Operating System" (OS) software. Operating System falls under the category of system software. A computer cannot function without an operating system. The OS is the means by which a user can communicate with the computer. All input and output devices, all actions and processes inside the computer are controlled by the OS. The OS communicates the user's instructions to all the parts of the computer.
An operating system is a set of programs designed to manage the entire operations of a computer system. It does not do any specific work but it is a general program which assists the user by doing the following operations.• controlling all of the operations including input/output operations, arithmetic operations and internal movement of information.
• Communicating with peripheral devices (printers, disk and tape devices).
• Supporting the running of other software.
There are many operating systems like Unix, Linux, Mac, MS-DOS, Windows etc.
