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Mark G Sobell

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 thirty years of experience working with UNIX and Linux systems and is the author of many best-selling books, including A Practical Guide to Fedora(TM) and Red Hat(r) Enterprise Linux(r), Sixth Edition, and A Practical Guide to Ubuntu Linux(r), Third Edition, both from Prentice Hall.

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