Free Ubuntu Book

Are you use Ubuntu Linux? I get a best free Ubuntu book when searching in Linux Forums. This Ubuntu book give complete tutorial about Ubuntu as system operation, how to setting Ubuntu, and etc. With this book, we can give explanation why we can use Ubuntu as my system operation.This is best free Ubuntu book in my opinion.

This free Ubuntu book have title Ubuntu Pocket Guide and Reference. If you like this book, you can download at here or you can go to this book website at here.