"Harley Hahn's Guide to Unix and Linux" is a modern, comprehensive text for anyone who wants to learn how to use Unix or Linux. This book is suitable as a primary or secondary textbook for classroom use, as well as for readers who want to teach themselves. The text covers all the basic concepts and tools Unix/Linux users need to master: Unix vs Linux, GUIs, the command line interface, the online manual, syntax, the shell, standard I/O and redirection, pipes and filters, vi, the Unix file system, and job control.Hahn offers a thoroughly readable approach to teaching Unix and Linux by emphasizing core ideas and carefully explaining unfamiliar terminology. This book walks readers through Unix and Linux systems from the very beginning, assuming no prior knowledge, and laying out material in a logical, straightforward manner. An experienced author, Hahn writes in a clear, engaging, and student-friendly style, resulting in a text that is both easy and entertaining to read. Motivating pedagogy, such as 'What's in a Name?' boxes and highlighted Hints provide readers with interesting background and helpful tips.