It's great that you already are comfortable with the commandline! almost anything can be run and configured from there.
- Cmdline switches/params are prefixed with "-" or even "--" instead of "/".
- Many commands allow long and short forms and combinations of switches, e.g. "ls -ad" instead of "ls --all --directory"
- The commands' help ("manual"/"man) pages are usually quite helpful, call them with "man <command>". A more concise version is often available with "<command> ---help". You can have several "registers" of manpages (e.g. for configuration file syntax vs commandline switches) that can be referred to as numbers in calling the manpage, so when you miss some information in the default manpage, check if the command has a manpage in another "register". At the bottom manpages usually have examples and references to related manpages. And "apropos keyword" lists manpages related to keyword.
- see @b0rk 's mega terminal cheat sheet: https://wizardzines.com/terminal-cheat-sheet-one-page.pdf
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