mktouch --version (return code: 0)
touch (GNU coreutils) 8.26 Copyright (C) 2016 Free Software Foundation, Inc. License GPLv3+: GNU GPL version 3 or later <http://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 Paul Rubin, Arnold Robbins, Jim Kingdon, David MacKenzie and Randy Smith.
mktouch -HELP (return code: 1)
dirname: unrecognised option '--HELP' Try 'dirname --help' for more information. mkdir: missing operand Try 'mkdir --help' for more information.