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2.3. Single Sign-on (SSO)

The Red Hat Enterprise Linux SSO functionality reduces the number of times Red Hat Enterprise Linux desktop users have to enter their passwords. Several major applications leverage the same underlying authentication and authorization mechanisms so that users can log in to Red Hat Enterprise Linux from the log-in screen, and then not need to re-enter their passwords. These applications are detailed below.
For more information on Pluggable Authentication Modules, see the Red  Hat Enterprise Linux 6 Managing Single Sign-On and Smart Cards guide.