Mmm.. I tried to put in as much info as well on my sig, but due to size limit I can't make it explicitly recommend the link for more info.
Edit:
Uhh... Sig's not appearing. Anyway, I'm trying to put something like this:
sudo - run as root
rm - remove files or directories
-rf - option to remove directories and their contents recursively and do it without further warning or prompts.
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