What does unpacking Cshell.dll do?

Please no one rant or make fun.. I tried looking everywhere.. But I couldn't find an answer.
I kept seeing people talking about unpacking Cshell.dll... What does that do? And how can you do it?
If anyone can briefly explain, I'd be most grateful..

i posted a thread on this in source code section ..
but anyways unpacking the cshell allows you to look in it to find addies and stuff..
and i couldnt tell you how to do cause i dont even no how