I’d recommend installing Shellcheck and an associated plugin for your editor of choice. I have the plugin installed for VS Code and open the link presented to me when I do anything “wrong” as it’ll give a good explanation for the “better/more correct” way of doing things.

- Absolutely, everyone should use Shellcheck

- https://tldp.org/LDP/Bash-Beginners-Guide/html/index.html

- https://www.gnu.org/software/bash/manual/bash.html

- https://devdocs.io/bash/

- https://tldp.org/LDP/abs/html/

- https://devhints.io/bash