This book is a guide on how to use Ubuntu 16.04. The author begins by helping you familiarize parts of the Ubuntu system, especially it's desktop. You will know how to access the various components of the system and launch applications. The author helps you know how to use shortcuts in the system. You will know how to create new directories, upgrade and update the system, reboot the system, logout, customize the desktop etc. The author then helps you familiarize with various software applications in Ubuntu 16.04. You will the software applications which comes installed with Ubuntu by default. You will also know the various software applications which can be used for various tasks such as playing audios, videos, photo management etc. The author guides you on how to establish internet connections in Ubuntu 16.04. The network connection can be wireless, wired or a dial-up connection. The process of installing software applications through the Ubuntu Software Center has also been explored. The process of managing users, groups and security of the system has also been discussed. The following topics have been discussed in this book: - Getting Started - Software Applications - Internet Connections - Ubuntu Software Center - User and Group Management - Basic Security Features - Adding a Printer