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by sqlhelpthrow 2011 days ago
Two oreilly books to give you an overview, sorta know the lie of the land.

Classic Shell Scripting by Arnold Robbins

Unix Power Tools 3rd edition

Two additional worthwhile books:

The Unix Programming Environment by Kernighan and Pike

Mastering Regular Expressions by Friedl.

All 4 are classics.

Also try tldr.sh website in addition to man pages. They are easier to grok.