File: //usr/share/doc/util-linux/PAM-configuration.txt
 PAM configuration is very distribution specific. This is reason why upstream
 util-linux package does not install any PAM config files.
 Expected PAM config files:
 login(1):
    /etc/pam.d/remote - for -h command line option
    /etc/pam.d/login  - regular login
 su(1):
    /etc/pam.d/su-l   - for --login command line option
    /etc/pam.d/su     - regular su
 runuser(1):
    /etc/pam.d/runuser-l   - for --login command line option
    /etc/pam.d/runuser     - regular su
    Note that runuser requires only "session" setting (and for example
    "auth sufficient pam_rootok.so" dummy line).
 chfn(1):
    /etc/pam.d/chfn
 chsh(1):
    /etc/pam.d/chsh