Linux.com: User Administration on Linux

"Changing passwords, creating accounts, removing accounts, and helping users figure out why they can't access what they need or want through their account is what User Administration is about. Almost all companies, save for the absolute smallest, have multiple users who need to have access to the company's computer resources. The creation and maintenance of user accounts is vital to the successful utilization of these resources. The administration of user accounts under Linux is almost identical to user account administration under virtually any commercial Unix."

Complete story.