privoxy --version (return code: 0)
Privoxy version 3.0.26 (https://www.privoxy.org/)
privoxy -HELP (return code: 2)
Privoxy version 3.0.26 (https://www.privoxy.org/)
Usage: privoxy [--config-test] [--chroot] [--help] [--no-daemon] [--pidfile pidfile] [--pre-chroot-nslookup hostname] [--user user[.group]] [--version] [configfile]
Aborting