Free article, review and book for administration using only

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1

Where i can find on web interesting article, review and book (free) for system administration using only command line on OpenSuse?

2

This guide will help you learn Linux commands (common to all linux distros):

http://rute.2038bug.com/rute.html.gz

Online console tutorial:

LinuxCommand.org: Learn the Linux command line. Write shell scripts.