Eu tenho essa mesma versão na minha máquina Fedora 14. man screen
contém uma seção COPYLEFT
que declara:
Copyright (C) 1993-2003
Juergen Weigert ([email protected])
Michael Schroeder ([email protected])
Copyright (C) 1987 Oliver Laumann
This program 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 2, or (at your option) any
later version.
This program is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of MER‐
CHANTABILITY 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 program (see the file COPYING); if not, write to the Free
Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA
de modo que diz GPLv2, ou mais tarde, se você preferir.
Você também pode encontrar a licença em /usr/share/doc/screen-4.0.3/COPYING
, que confirma que é a versão 2.