This is Debian's package maintenance system.

Copyright © 2009-2010 Modestas Vainius <modax@debian.org>
Copyright © 2009 Romain Francoise <rfrancoise@debian.org>
Copyright © 2008 Zack Weinberg <zackw@panix.com>
Copyright © 2007 Colin Watson <cjwatson@debian.org>
Copyright © 2007 Don Armstrong <don@donarmstrong.com>
Copyright © 2007 Nicolas François <nicolas.francois@centraliens.net>
Copyright © 2007-2010 Raphaël Hertzog <hertzog@debian.org>
Copyright © 2006-2010 Guillem Jover <guillem@debian.org>
Copyright © 2006-2008 Frank Lichtenheld <djpig@debian.org>
Copyright © 2004-2005 Scott James Remnant <scott@netsplit.com>
Copyright © 2004-2005, 2007-2008 Canonical Ltd.
Copyright © 2001,2007 Joey Hess <joeyh@debian.org>
Copyright © 1999-2002 Wichert Akkerman <wakkerma@debian.org>
Copyright © 1999-2001 Marcus Brinkmann <brinkmd@debian.org>
Copyright © 1999 Richard Kettlewell <rjk@sfere.greenend.org.uk>
Copyright © 1999 Ben Collins <bcollins@debian.org>
Copyright © 1999 Roderick Shertler <roderick@argon.org>
Copyright © 1998-1999 Martin Schulze <joey@infodrom.north.de>
Copyright © 1998 Heiko Schlittermann <heiko@lotte.sax.de>
Copyright © 1998 Nils Rennebarth <nils@debian.org>
Copyright © 1998 Juan Cespedes <cespedes@debian.org>
Copyright © 1998 Jim Van Zandt <jrv@vanzandt.mv.com>
Copyright © 1998 Koichi Sekido <sekido@mbox.kyoto-inet.or.jp>
Copyright © 1997-1998 Juho Vuori <javuori@cc.helsinki.fi>
Copyright © 1997-1998 Charles Briscoe-Smith <cpbs@debian.org>
Copyright © 1996-1998 Miquel van Smoorenburg <miquels@cistron.nl>
Copyright © 1996 Kim-Minh Kaplan <kkaplan@cdfhp3.in2p3.fr>
Copyright © 1996 Klee Dienes <klee@debian.org>
Copyright © 1996 Michael Shields <shields@crosslink.net>
Copyright © 1995-1996 Erick Branderhorst <branderhorst@heel.fgg.eur.nl>
Copyright © 1995 Bruce Perens <bruce@pixar.com>
Copyright © 1994-1999 Ian Jackson <ian@chiark.greenend.org.uk>
Copyright © 1994 Carl Streeter <streeter@cae.wisc.edu>
Copyright © 1994 Matt Welsh <mdw@sunsite.unc.edu>
Copyright © 1994 Ian Murdock <imurdock@debian.org>

Includes public domain MD5 code:
	lib/dpkg/md5.c and lib/dpkg/md5.h originally written by Colin Plumb,

Includes code from ‘getopt’ and ‘gettext’:
	Copyright © 1984-2002 Free Software Foundation, Inc.


License:

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

On Debian systems, the complete text of the GNU General Public License
can be found in ‘/usr/share/common-licenses/GPL’ or in the dpkg source
as the file ‘COPYING’.