command line interface (CLI) A graphical user interface is familiar to most users of PCs and laptops. GUIs feature a desktop where everything is displayed.

Graphical User Interface is sometimes shortened to GUI (pronounced "gooey"). The user chooses an option – usually by pointing a mouse at an icon representing that option, then clicking to select.

Sometimes, both a command line interpreter and a GUI are included within the same program. When this is the case, it's typical for one interface to support certain functions that are excluded in ...

When it comes to firewalls, most system administrators prefer to use a graphical user interface (GUI) rather than a command-line interface (CLI), a new academic study published over the summer has ...