A graphical user interface (GUI, pronounced “gooey”) is a computer environment that simplifies the user’s interaction with the computer by representing programs, commands, files, and other ...

An operating system is a collection (or suite) of programs that manages and controls the computer. Operating systems have many functions: A user interface is a program, or suite of programs that ...

Systems software - OCR User interfaces A computer is controlled by systems software. Operating systems provide this control, while utilities help to maintain the system.

A traditional operating system (OS) such as Windows, macOS and Linux facilitates user interaction with hardware through a graphical user interface and manages tasks like memory allocation and ...