Welcome to &TCPIUG;, the official documentation of &TCPI;. This book describes how &TCPI; is organized and the guidelines both users and administrators should follow to make use of it. If you need to know what the technical and political desitions behind &TCP; are, this book is definitly for you. To make the information in this book managable, it has been organized in the following parts: organizes the licenses mentioned in this book. This book is oriented to system administrators and assumes you have a basic understanding of &TCD;. If you need help with it, go to the Help page inside &TCWIKI; for or a list of different places you can find help. &preface-overview;