localhost stu # ipw3945d 
ipw3945d - regulatory daemon
Copyright (C) 2005-2006 Intel Corporation. All rights reserved.
version: 1.7.22
Intel PRO/Wireless 3945ABG Network Connection found at:
 /sys/bus/pci/drivers/ipw3945/0000:03:00.0
Daemon launched as pid 5640.  Exiting.


localhost stu # ipw3945d   
ipw3945d - regulatory daemon
Copyright (C) 2005-2006 Intel Corporation. All rights reserved.
version: 1.7.22
Intel PRO/Wireless 3945ABG Network Connection found at:
 /sys/bus/pci/drivers/ipw3945/0000:03:00.0
Daemon launched as pid 5642.  Exiting.


localhost stu # ipw3945d --foreground
ipw3945d - regulatory daemon
Copyright (C) 2005-2006 Intel Corporation. All rights reserved.
version: 1.7.22
Intel PRO/Wireless 3945ABG Network Connection found at:
 /sys/bus/pci/drivers/ipw3945/0000:03:00.0
2007-06-07 22:16:29: ERROR: Could not open '/var/run/ipw3945d.pid': Permission denied