There are two common types of user interfaces on the display device: the command line interface (CLI), which contains text only, and the graphical user interface (GUI) , which also includes images (e.g., windows, icons and menus).
There are two common types of user interfaces on the display device: the command line interface (CLI), which contains text only, and the graphical user interface (GUI) , which also includes images (e.g., windows, icons and menus).