VMS Help LICENSE, LIST, Qualifiers, /OUTPUT  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /OUTPUT[=filespec]

    Specifies the name of the file to which your list is written. If
    you do not specify the /OUTPUT qualifier, or if you do not supply
    a file specification with this qualifier, the output is sent to
    SYS$OUTPUT.