Telneting for password change

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Author: DonHarropdon@nis4u.com
Date:  
Subject: Telneting for password change
A while back I read an article on some Linux related web site about changing
a users telnet access to instead of starting a command line shell for them
it ran passwd and would only allow them to change their password. I can't
remember what that web site was or exacly how they accomplished this.
Anybody know?

Don