Copyright for proc.5:
Copyright (C) 1994, 1995 by Daniel Quinlan (firstname.lastname@example.org) and Copyright (C) 2002-2008,2017 Michael Kerrisk <email@example.com> with networking additions from Alan Cox (A.Cox@swansea.ac.uk) and scsi additions from Michael Neuffer (firstname.lastname@example.org) and sysctl additions from Andries Brouwer (email@example.com) and System V IPC (as well as various other) additions from Michael Kerrisk <firstname.lastname@example.org>
License for proc.5:
This is free documentation; 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. The GNU General Public License's references to "object code" and "executables" are to be interpreted as the output of any document formatting or typesetting system, including intermediate and printed output. This manual 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 this manual; if not, see <http://www.gnu.org/licenses/>.