The "Ubuntu 16.04 LTS Desktop: Applications and Administration" covers the Ubuntu 16.04 LTS (Xenial Xerus) release, focusing on applications and administrative tools. The emphasis here is on what users will face when using Ubuntu, covering topics like installation, applications, software management, desktops, shell commands, network connections, and system administration tasks. The Ubuntu Desktop (Unity), Kubuntu, Ubuntu Mate, and Ubuntu GNOME desktops are examined in detail. 16.04 introduces several new features, as well as numerous smaller modifications. It is a long-term support release. The Ubuntu desktop with the Unity interface is examined in detail. Unity uses a launcher and a dash to manage access to applications and devices.