$ KCAP/TRACK /[NO]NEW_FILE

   Used to specify that a new KeyCapture file should be started.
   Any current KeyCapture file is closed.

   Example:

   $ KCAP/TRACK=LOG.LOG     ! Start logging to LOG.LOG.

   $ KCAP/TRACK=NEWLOG.LOG/NEW_FILE
                                      ! Close LOG.LOG and start
                                      ! logging to NEWLOG.LOG.