The software described in this documentation is either in Extended Support or Sustaining Support. See https://www.oracle.com/us/support/library/enterprise-linux-support-policies-069172.pdf for more information.
Oracle recommends that you upgrade the software described by this documentation as soon as possible.

23.2.2 Configuring Fingerprint Reader Authentication

If appropriate hardware is installed and supported, the system can use fingerprint scans to authenticate users.

To enable fingerprint reader support, select the Enable fingerprint reader support check box on the Advanced Options tab of the Authentication Configuration GUI (system-config-authentication).

Alternatively, use the following command:

# authconfig --enablefingerprint --update