(computing, telecommunications) Of a operating system, etc., only capable of serving one user at a time, not many users simultaneously.

plural of user guide

Any person that makes use of a road, such as a driver, cyclist, motorcyclist, moped rider, pedestrian or horserider.

(computing) In software development, a natural language description of how an end user uses a system feature.

plural of user story

plural of user time

(computing) The time required for a user to perform a task using a computer, excluding the time when the computer is busy processing.

(advertising) A promotion that offers some additional bonus to customers who refer further customers.

Alternative form of multiuser

(computing) Created or defined by the user of a system, rather than being included in the original package.