Use the PURGE LOGGING command to remove logging parameters from the
 permanent database on the local node or DTE.  See the description of the
 CLEAR LOGGING command for a list of the parameters which may be specified.

 PURGE   KNOWN LOGGING           ALL
         LOGGING CONSOLE         EVENTS event-list
         LOGGING FILE            KNOWN EVENTS
         LOGGING MONITOR         AREA area-number
                                 CIRCUIT circuit-id
                                 LINE line-id
                                 MODULE name
                                 NAME
                                 NODE node-id
                                 SINK    EXECUTOR
                                         NODE node-id