If you want to understand bash, it’s best to spend some time using basic posix sh (dash on some systems) it is a much less powerful shell, but that highlights t

If you want to understand bash, it’s best to spend some time using basic posix sh (dash on some systems) it is a much less powerful shell, but that highlights the power of composition that it does have. Also use shellcheck its an amazing linter, it will teach you many things about the shell, and actually explains the why for each lint.