$SHOW LOGICAL MY_MBX
     "MY_MBX" = "MBA37:" (LNM$SYSTEM_TABLE)
  $SHOW DEVICE MBA37

  Device                  Device           Error
   Name                   Status           Count
  MBA37:                  Online               0
  $DELETE/MAILBOX/LOG MBA37
  %DELETE-I-MBXDEL, Mailbox MBA37 has been marked for deletion
  $SHOW DEV MBA37
  %SYSTEM-W-NOSUCHDEV, no such device available

      This example shows the status of mailbox MBA37, which is
      pointed to by logical name MY_MBX, before and after it is
      deleted.