How to restrict commands in rsh?

[jeffrey.n.jones]

A co-worker and I were trying to figure out how to restrict the commands
a user can use in rsh. In the manual there is a mention of a directory
where you can put the commands that you want to restrict called 
/usr/rbin
How do you do this? Do you put all of the commands in a single file? What 
do you call this file? Thanks ahead of time for any help!

                     Jeff Jones

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