This document provides an overview and introduction to the Drupal content management system (CMS). [1] Drupal is an open source CMS that allows users to easily manage and publish web content. [2] It provides features for content authoring, page management, user access control, and more through its modular architecture and extensibility. [3] The document outlines Drupal's key capabilities and benefits, and how to install and get started with the CMS.