This is the Debian GNU/Linux prepackaged version of sed - the GNU stream oriented editor. This package was assembled from sources obtained from: ftp://ftp.gnu.org/gnu/sed/ It is currently maintained by Clint Adams <clint@debian.org> Copyright: 1989,90,91,92,93,94,95,98,99,2002,2003,2006,2008,2009,2010 Free Software Foundation, Inc. GNU sed 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 3, or (at your option) any later version. On Debian GNU/Linux systems you can find a copy of the GPL in /usr/share/common-licenses/GPL-3 The sed info manual is released under the terms of the GNU Free Documentation License as published by the Free Software Foundation; either version 1.3, or (at your option) any later version.