The UNIX system has steadily gained in popularity over the years. Many businesses and educational institutions as well as individuals have begun using UNIX/Linux because of its power, stability, reliability, and flexibility. With this increase in users, as well as potential users, comes the strong need for a complete and comprehensive text that will easily guide Windows users in the conversion to UNIX. Introduction to UNIX provides the necessary background and knowledge to become familiar with the UNIX/Linux environment and understand how to use its potential. For educational institutions, the book is designed to present a broad and thorough UNIX background for courses taken by students in computer, business, engineering, mathematics, education, and other majors. The book is also intended to assist the individual who wishes to learn UNIX independently by supplying them with all of the basic information on how to use UNIX and its functions. Anyone with any version of UNIX will find this book helpful as many of the concepts covered are universal and apply to all UNIX/Linux systems. The book explores many significant topics including creating and editing files as well as generating and developing professional-looking typeset documents. In addition, the book also covers programming related topics such as writing code to process files and provide a convenient way for users to accomplish tasks and how to build, run, debug, measure, and analyze performance of C++ programs. Written in an easy-to-follow manner, Introduction to UNIX is the essential guide for the student looking to learn more about the UNIX system or the individual who wants to make the transition to UNIX.