This is Debian's package maintenance system. Copyright © 2009-2010 Modestas Vainius Copyright © 2009 Romain Francoise Copyright © 2008 Zack Weinberg Copyright © 2007 Colin Watson Copyright © 2007 Don Armstrong Copyright © 2007 Nicolas François Copyright © 2007-2010 Raphaël Hertzog Copyright © 2006-2010 Guillem Jover Copyright © 2006-2008 Frank Lichtenheld Copyright © 2004-2005 Scott James Remnant Copyright © 2004-2005, 2007-2008 Canonical Ltd. Copyright © 2001,2007 Joey Hess Copyright © 1999-2002 Wichert Akkerman Copyright © 1999-2001 Marcus Brinkmann Copyright © 1999 Richard Kettlewell Copyright © 1999 Ben Collins Copyright © 1999 Roderick Shertler Copyright © 1998-1999 Martin Schulze Copyright © 1998 Heiko Schlittermann Copyright © 1998 Nils Rennebarth Copyright © 1998 Juan Cespedes Copyright © 1998 Jim Van Zandt Copyright © 1998 Koichi Sekido Copyright © 1997-1998 Juho Vuori Copyright © 1997-1998 Charles Briscoe-Smith Copyright © 1996-1998 Miquel van Smoorenburg Copyright © 1996 Kim-Minh Kaplan Copyright © 1996 Klee Dienes Copyright © 1996 Michael Shields Copyright © 1995-1996 Erick Branderhorst Copyright © 1995 Bruce Perens Copyright © 1994-1999 Ian Jackson Copyright © 1994 Carl Streeter Copyright © 1994 Matt Welsh Copyright © 1994 Ian Murdock 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’.