A?Qt for Embedded Linux?application requires a server application to be running, or to be the server application itself. Any?Qt for Embedded Linuxapplication can act as the server. When more than one application is running, the subsequent applications connect to the existing server application as clients.

The server and client processes have different responsibilities: The server process manages pointer handling, character input, and screen output. In addition, the server controls the appearance of the screen cursor and the screen saver. The client process performs all application specific operations.