How to provide SSH Linux Users less privileiges ?

Hi All Can you help me on this thing, here is my scenario.. we had a linux system(server), 1) where had created ssh users in order to access the linux system. 2) we had edited the sudoers file such that that SSH users will get same privileges as the user gets. 3) now the problem descriptions is how can we provide less restrictions to the SSH users created , so that the dont get root privileges, how can we configure linux system in order to provide less restricitions Regards Rakesh

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