This is Debian GNU/Linux's prepackaged version of the FSF's GNU Readline library. This package was put together by Matthias Klose , derived from the bash package by Guy Maor , from the GNU sources at ftp.gnu.org:/pub/gnu/readline/readline-6.0.tar.gz. Upstream Authors: Chet Ramey Jeff Solomon (examples/excallback.c) Harold Levy (examples/rl-fgets.c) Juergen Weigert (examples/rlfe) Michael Schroeder (examples/rlfe) Oliver Laumann (examples/rlfe) Copyright: Copyright (C) 1987-2009 Free Software Foundation, Inc. Copyright (C) 1999 Jeff Solomon (examples/excallback.c) Copyright (C) 2003-2004 Harold Levy (examples/rl-fgets.c) Copyright (C) 1993-2002 Juergen Weigert (examples/rlfe) Copyright (C) 1993-2002 Michael Schroeder (examples/rlfe) Copyright (C) 1987 Oliver Laumann (examples/rlfe) License: Readline 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 of the License, or (at your option) any later version. This package 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 along with Readline. If not, see . examples/rl-fgets.c: GPL v2 or later. examples/rlfe: GPL v2 or later. On Debian systems, the complete text of the GNU General Public License can be found in `/usr/share/common-licenses/GPL-3'. The documentation files doc/*.texi and derived .info, .html, .ps and .pdf files are: Copyright (C) 1988-2015 Free Software Foundation, Inc. Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.3 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled "GNU Free Documentation License". On Debian systems, the complete text of the GNU Free Documentation License can be found in `/usr/share/common-licenses/GFDL'. The Debian packaging is: Copyright (C) 1999-2009 Matthias Klose and is licensed under the GPL version 3, see `/usr/share/common-licenses/GPL-3'.