/sys$common/syshlp/helplib.hlb SHOW, USERS, Qualifiers, /HEADING  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /HEADING (default)
       /NOHEADING

    Displays a heading line above the system output. When you use
    the /NOHEADING qualifier, the heading line is excluded from the
    display.