Usage is this:
in your main page, you place the fFollowing:
Where XXX is the shortcut name you want to use. XXX will then be a link. Then you need to go to your new blank page XXX and create a redirect. That is done like this:
#REDIRECT [[My Original Page With A Very Long Name]]
Then you may always use the shortened page name XXX as a valid page, and you will have a swanky little grey box on the side of your page pointing people towards that shortcut.