Can Anyone Post all the commands with uses d functions i?

Iam a new user to opensuse…i know only the basic commands…
i think it will be better when a STICKY TOPIC is posted With all the essencial commands with Functions d Uses …
specially with examples which will be best used by people like us…

CAN SOMEONE DO THIS!!

Thanks in advance…
Just a suggesion if wrong forgive.

Maybe look here:
Linux Newbie Administrator Guide

Linux bash commands - MAN Pages

Linux Newbie Guide: Shortcuts And Commands

thanks@@@@ for ur help!