HowtoMatrix

If you’re going to have long relations with Linux operating system and use it as efficiently as possible I suggest to read the following howtos and guides that will help you on the way to advanced Linux user status

Advanced Bash-Scripting Guide by Mendel Cooper

This document is both a tutorial and a reference on shell scripting with Bash. It assumes no previous knowledge of scripting or programming, but progresses rapidly toward an intermediate/advanced level of instruction. The exercises and heavily-commented examples invite active reader participation.

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