enfuse --version (return code: 0)
enfuse 4.2 Copyright (C) 2004-2009 Andrew Mihal. Copyright (C) 2009-2016 Christoph Spiel. License GPLv2+: GNU GPL version 2 or later <http://www.gnu.org/licenses/gpl.html> This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law. Written by Andrew Mihal, Christoph Spiel and others.