With a strong conceptual foundation in place, students can more easily understand the details associated with a particular system. New Adaptation * Increased coverage of user perspective in Chapter 1. * Increased coverage of OS design throughout. * A new chapter on real-time and embedded systems (Chapter 19). * A new chapter on multimedia (Chapter 20). * Additional coverage of security and protection. * Additional coverage of distributed programming. * New exercises at the end of each chapter. * New programming exercises and projects at the end of each chapter. * New pedagogy that focuses on students and design two new colors to enhance the learning process.