still confused

just doesn't make sense - unless I am missing the obvious...
admin logs into site on shared server
admin enters CP
admin logs out of CP, but stays logged into forums (that is the proposal from what I have read)
admin then needs to go back into CP - he can't just click on CP link, as he has logged out - so the only way is to log out of the forums and log back in.
Surely this is not correct?