This is the Debian sharutils package. It was first put together by Bill Mitchell and it is currently maintained by Santiago Vila . Source code was downloaded from: https://ftp.gnu.org/gnu/sharutils/sharutils-4.15.2.tar.xz Some patches have been applied to fix several bugs here and there. See debian/patches/* and the Debian changelog for details. The following copyright notices can be found in the source code: uuencode: Copyright (c) 1983 Regents of the University of California. Copyright (C) 1994-2015 Free Software Foundation, Inc. uudecode: Copyright (c) 1983 Regents of the University of California. Copyright (C) 1994-2015 Free Software Foundation, Inc. shar: Copyright (C) 1994-2015 Free Software Foundation, Inc. unshar: Copyright (C) 1994-2015 Free Software Foundation, Inc. This product 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. This product 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'. Texinfo documentation for sharutils has the following notice: Copyright (C) 1994-2015 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, with no Front-Cover Texts, and with 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'.