Get your rm -rf /bin/laden t-shirt today!

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Note to non-UNIX geeks:

rm is the UNIX command for "remove". It's how you delete files.

-r means remove recursively, ie: all subfolders and files contained therein.
-f means remove forcefully, ie: even if the file is set as read-only.

So "rm -rf" means remove all traces, with force.
/bin is the directory where executable programs are stored in a UNIX system.