Library /sys$common/syshlp/HELPLIB.HLB
EDIT, /ACL, /MODE, Description
 *Conan The Librarian 

    By default, the ACL editor prompts you for each ACE and provides
    values for some of the fields within an ACE (/MODE=PROMPT). To
    disable prompting, specify /MODE=NOPROMPT on the command line.
  Close     Help