Library /sys$common/syshlp/mailhelp.hlb SHOW, KEY, Qualifiers, /DIRECTORY  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Displays the names of all the states for which keys have been
    defined. If you have not defined any keys, SHOW KEY/DIRECTORY
    displays the DEFAULT and GOLD states (for the default and GOLD
    key definitions on the Mail keypad).