The operating system performs five basic functions in the operations of computer system providing a user interface, resource management, task management, file management. And utilities and support services.
The user interfaces the part of the operating system that allows you to communicate with it so you can load program, access files and accomplish other tasks.
Three main types of user interfaces are the command-driven, menu-driven, and graphical user interface.
Instead most software provides an easy-to- use graphical user interface (GUI) that uses icons, bars, button, boxes, and other images.
GUIs rely on pointing devices like the electronic mouse or touch-pad to make selections that help you get things done.
The User Interface
