+=== 0^KILL <msgno> [<msgno..]^Delete a message from the local system
+Delete a message from the local system. You will only be able to delete messages
+that you have originated or been sent (unless you are the sysop).
+
+=== 5^KILL FULL <msgno> [<msgno..]^Delete a message from the whole cluster
+Delete a message (usually a 'bulletin') from the whole cluster system.
+
+This uses the subject field, so any messages that have exactly the same subject
+will be deleted. Beware!
+