This book describes how to build a development environment based upon Linux systems. It provides a one-stop-reference on all the tools used by the Open Source community for development purposes. It includes information about open source and GNU tools incuding editors, compilers and assemblers, debuggers, version control systems, Java and other Open Source utilities commonly used during the development process. It also includes a chapter on how to use Linux for cross-platform development systems. The book is useful for all developers as a reference to development tools.