Computer display format that allows the user to select commands, call up files, start programs, and do other routine tasks by using a mouse to point to pictorial symbols (icons) or lists of menu choices on the screen as opposed to having to type in text commands.
The first GUI to be used in a Windows , a GUI (which later grew into an operating system) that gave MS-DOS–based computers many of the same capabilities as the Macintosh. In addition to being used for operating-system interfaces, GUIs are used in other types of software, including {{link=browser">browsers and application programs.