/sys$common/syshlp/helplib.hlb MONITOR, MONITOR, Command Qualifier Descriptions, /DISPLAY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /DISPLAY[=file-spec] (default)
       /NODISPLAY

    Specifies whether information collected by MONITOR is to be
    displayed as ASCII screen images. Optionally names the disk file
    to contain the output.