An important computer program that performs and keeps track of a computer’s basic functions and allows the computer to run applications.
Operating systems are central to most computer systems and networks. They provide an accessible user interface with which users can interact with applications without needing to use a command line interface or the need to monitor background system tasks. Further, operating systems communicate the user’s commands with the computer’s hardware. Applications and web browsers need to be designed to be compatible with a computer's Operating System.