He is doing two things. One is renaming the current front row app to "Front Row 2.0" (so you can still use it). Then after downloading the front row installer from the apple link you are extracting it out of the installer. Presumably with the extracted "Front Row" app you will just drop it in the coreservices directory as well.
Exactly. I am just more the UNIX and terminal guy than the gui user
-- The 'fishy' guy