What are the best places to learn Linux from ?

What are the best places to learn Linux from ?

Tharun Shiv - Jun 7 '20 -

- Dev Community

Hi,
I am pretty descent in using Linux based system. But I want to become a power user of Linux. What are the resources available to achieve that?
I don't mind learning from scratch again. So any level of resource would help.

Thank you 🙂

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