This document provides an introduction and overview of the open source content management system (CMS) Joomla. It discusses what a CMS is and compares Joomla to other popular CMS options like Drupal. The document then guides readers through installing Joomla, configuring basic settings, publishing content using sections, categories, articles and media, customizing the site design using plugins, modules and templates, and finding community support. The goal is to serve as a beginner's manual for getting started with Joomla.