$ vpnclient -h
Cisco Systems VPN Client Version 4.8.01 (0640)
Copyright (C) 1998-2007 Cisco Systems, Inc. All Rights Reserved.
Client Type(s): Linux
Running on: Linux 2.6.23-gentoo-r6 #2 SMP PREEMPT Fri Feb 1 22:21:02 CET 2008 i686
Config file directory: /etc/opt/cisco-vpnclient

You have entered an unrecognized command.
Usage:
 vpnclient connect <profile> [user <username>] [eraseuserpwd | pwd <password>]
                             [nocertpwd]
 vpnclient disconnect
 vpnclient stat [reset] [traffic] [tunnel] [route] [repeat]
 vpnclient notify
 vpnclient verify [autoinitconfig]
 vpnclient autoinit