Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Debugging software involves a careful eye, a knack for logic and the ability to be observant. This book covers what debugging is and how computer programmers and systems engineers go about eliminating errors, faults and other bugs from software applications. Included are discussions about stepping, break points, parallel processing and tracing. Project Webster represents a new publishing paradigm, allowing disparate content sources to be curated into cohesive, relevant, and informative books. To date, this content has been curated from Wikipedia articles and images under Creative Commons licensing, although as Project Webster continues to increase in scope and dimension, more licensed and public domain content is being added. We believe books such as this represent a new and exciting lexicon in the sharing of human knowledge.