VMS Help DECnet-Plus, DCL Commands, DIRECTORY, Qualifiers, /PRINTER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /PRINTER

    This qualifier places the directory output into the file
    DIRECTORY.LIS or the file you specify using the /OUTPUT=file qual-
    ifier, automatically queues the file for printing, and deletes the
    file.

    Default value:   No printing