NAME
pam_uwtmp – User Accounting PAM module
SYNOPSIS
[service-name] function-class control-flag pam_uwtmp [options]
DESCRIPTION
The User Accounting PAM module supports the session management function class. In terms of the function-class parameter, this is the “session” class.
The User Accounting session management module updates the system's user accounting database when a users logs in or out of the system.