Library /sys$common/syshlp/dbg$help.hlb DEBUG, Messages, WORKSTACMD  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 the command debugger-command is only supported on VWS workstations

    Facility: DEBUG, VMS Debugger

    Explanation: The debugger only supports the command debugger-
    command on workstations running VWS.

    User Action: None. This capability of the debugger does not exist
    for your terminal or machine.