This is the Debian GNU/Linux prepackaged version of udev. It has been packaged by Marco d'Itri . Original sources were obtained from: http://www.kernel.org/pub/linux/utils/kernel/hotplug/ Copyright (C) 2003,2004 Greg Kroah-Hartman Copyright (C) 2004,2005 Kay Sievers udev is licensed under the GNU GPL version 2. On Debian systems, the complete text of the GNU General Public License can be found in /usr/share/common-licenses/GPL-2 .