.. _ref_preface: About this book =============== This book is intended to be a door opener for newbies who wants to try Lagopus software switch. This book will first introduce you about Lagopus software switch, guide you how to install and perform basic configuration. For further information, you can check :ref:`ref_sample-ryu-simplesw` to understand and try a bit more advanced configuration of Lagopus software switch. People already familiar with Lagopus software switch can use :ref:`ref_cmd-options` as reference to command line options available, :ref:`ref_lagosh` to check how to use CLI in detail, and :ref:`ref_datastore` to get overview of DSL (domain-specific language) used in configuration files.