VMS Help TCPIP Services, TELNET, TN3270 Keyboard Functions, STATUS  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    VT100: EXT + S              VT200: F17
    DEFINE_KEY Function: STATUS

    Lets you enable and disable the display of status information.

    When you enable STATUS, the last line on your screen is painted
    over with a reverse video strip. This line may conceal remote
    host system or application information. If this occurs, Hidden
    appears in the status line.

    Disable the status display by using the STATUS function again.