If the connection is properly hung any magic keystroke will not get through as the connection is already hung before you issue the key presses. You can tell the client to terminate but this won't affect the history kept (or not) at the server end.
If the connection is properly hung any magic keystroke will not get through as the connection is already hung before you issue the key presses. You can tell the client to terminate but this won't affect the history kept (or not) at the server end.