Moodle stands for Modular Object-Oriented Dynamic Learning Environment, which explains the background to the plugin structure of the Moodle application as it is all modular.
There are many plugin types in Moodle including authentication, enrolment, themes, course formats, and each of these control an aspect of Moodle such as, an authentication plugin, which enables the administrator to control how users log into Moodle.
Moodle is written in PHP and can be run on a number of web servers that support PHP, including Apache and IIS.
Moodle supports a number of database types including MySQL, PostgreSQL, MSSQL, Oracle, and SQLite. However, the most supported and tested would be MySQL and PostgreSQL.
Moodle also stores files in a ...