This is the Debian GNU prepackaged version of mawk, an implementation of the AWK Programming Language. mawk was written by Mike Brennan This package was put together by Chris Fearnley , from sources obtained from: ftp://ftp.whidbey.net/pub/brennan/mawk1.3.3.tar.gz It is currently being maintained by James Troup . mawk 1.3.3 Nov 1996, Copyright (C) Michael D. Brennan Modifications for Debian GNU/Linux Copyright (C) 1995-96 Chris Fearnley. Modifications for Debian GNU/Linux Copyright (C) 1998-2003 James Troup. Further modifications up to mawk 1.3.4.20200120 is of: Copyright © 2009-2018,2019,2020 by Thomas E. Dickey. The source code is taken from https://invisible-island.net/mawk/ . This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. 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. You should have received a copy of the GNU General Public License with your Debian GNU system, in /usr/share/common-licenses/GPL-2, or with the Debian GNU mawk source package as the file COPYING. If not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.