"Linux A-Z by Phil Cornes" is a comprehensive textbook on Linux operating systems, providing a detailed exploration of various aspects of Linux. Published by Prentice Hall PTR in 1996, this trade paperback features 304 pages of valuable information. Authored by Philip Cornes, the book is designed for those interested in delving into the intricacies of Linux, making it a valuable resource for both beginner and advanced users looking to deepen their understanding of this popular operating system.