I’ve already done an article called Usenet for Dummies, where you can learn about what exactly Usenet is. Go read that article if you haven’t already. If you have, then this article will go over a variety of tools you need to get up and running with Usenet on Linux.
There are some decent RAR or ZIP crackers out there for Windows but for some reason there seems to be a lack of abundant Linux versions. This surprises me but I’m okay with it, because there is one that seems to handle quite a lot of the most common password protected files. It’s called RarCrack and it’s capable of handling RAR, 7z, and ZIP files.