These directories hold various scripts: - example startup and shutdown scripts for various operating systems and distributions, - hotplug and udev integration for on the fly privileges settings (Linux only), - UPower (previously DeviceKit-power) rules file, - Python Client module and application, - Perl client module, - Augeas support lenses and modules for NUT, - systemd support files. They have either been contributed by users of the software, or by the NUT Team itself.