Locking down a user

[Steve McKinney <sjm () porter acadaff appstate edu>]

I need to lock down a useer so that they can only ssh in for scp 
puposes and stay in a certain directory.  I've looked around with google, 
but I can't find what I'm looking for.  Can someone point me the right 
direction, maybe a tutorial that they have found useful?

Thank you for your time,
-Steve


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