cPanel 11.30 is the last major version to support FreeBSD. The latest cPanel & WHM version supports installation on CentOS, Red Hat Enterprise Linux (RHEL), CloudLinux OS, and Ubuntu. cPanel & WHM is designed to function either as a dedicated server or virtual private server. In addition to the GUI, cPanel also has command line and API-based access that allows third-party software vendors, web hosting organizations, and developers to automate standard system administration processes. While cPanel is limited to managing a single hosting account, cPanel & WHM allows the administration of the entire server. It enables administration through a standard web browser using a three-tier structure. It provides a graphical interface (GUI) and automation tools designed to simplify the process of hosting a web site to the website owner or the ' end user'. CPanel is web hosting control panel software developed by cPanel, LLC.