(computer games) A text-based online game in which players enter instructions on a command line to jointly engage in role-playing. MUDs are a precursor to the massively multiplayer online game.

Alternative form of business as usual

Alternative form of business as usual

(graphical user interface) A control created by a developer, usually by combining other controls, often intended for use in a specific application.

(computing) A set of users grouped together on a system for administrative purposes. / (computing) A community of users of a particular machine, operating system, etc.

(computing, dated) A graphic symbol defined by the user, replacing one of the text characters in the computer's character set.

plural of multi-user dungeon

plural of user group

plural of user-defined function

plural of user-defined graphic