Super user The highest user level in Joomla. Members of this group have super user permissions throughout the site. If anything can be done in a Joomla installation, the super user can do it.
LAMPP An abbreviation for “Linux Apache MySQL Perl/PHP/Python.” These group of free and open source programs are used to run many dynamic websites. Most Joomla sites run with Apache and MySQL. All run with PHP. In addition, JavaScript is now an important part of the Joomla “stack.”
FOSS Acronym for Free or open-source software. Software, like Joomla, that is available to use, copy, study, and change in any way without charge. FOSS software typically uses a special software license, such as GPL, that requires any derivative works to also be free.
