The Linux A-Z - Phil Cornes Prentice Hall - Used Good

A Practical Guide to Linux, Sobell, Mark G.

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A Practical Guide to Solaris, Sobell, Mark G., Very Good Book

Practical Guide to Fedora and Red Hat Enterprise Linux, A, Sobell, Mark, Accepta

A Practical Guide to Linux by Sobell, Mark G.

A Practical Guide to Ubuntu Linux by Mark G. Sobell

A Practical Guide to Ubuntu Linux Paperback Mark G. Sobell