Library /sys$common/syshlp/latcp$help.hlb SET, SERVICE, Qualifiers, /APPLICATION  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Sets up the service as an application service. An application
    service offers a specific application on the service node rather
    than all of the resources on the service node. Define a dedicated
    port for the service by using the CREATE PORT and SET PORT
    commands.