Software is important because it is used by a great many people in companies and institutions. This book presents engineering methods for designing and building software. Based on the author’s experience in software engineering as a programmer in the defense and aerospace industries, this book explains how to ensure a software that is programmed operates according to its requirements. It also shows how to develop, operate, and maintain software engineering capabilities by instilling an engineering discipline to support programming, design, builds, and delivery to customers.This book helps software engineers to: