“Unix: Step by Step” is a comprehensive textbook authored by Stephen G. Kochan and Patrick H. Wood, published by SAMS in 1990. This 440-page paperback text covers the subject area of Operating Systems/Unix, making it a valuable resource for those interested in learning the intricacies of Unix systems. With detailed explanations and step-by-step guidance, this book is ideal for adult learners and university students looking to deepen their understanding of Unix in a practical and accessible manner. Part of the back cover is torn and the front cover has been put back in place with sello tape; see pictures. Pages are free of any writing, pen or pencil.