A Practical Guide to Fedora and Red Hat Enterprise Linux by Sobell, Mark G. [...
Mark G. Sobell is President of Sobell Associates Inc., a consulting firm that specializes in UNIX/Linux training, support, and custom software development. He has more than twenty-five years of experience working with UNIX and Linux systems and is the author of many best-selling books, including A Practical Guide to Red Hat® Linux®, Third Edition;A Practical Guide to Linux® Commands, Editors, and Shell Programming; andA Practical Guide to Ubuntu Linux®, all from Prentice Hall, andA Practical Guide to the UNIX System from Addison-Wesley.