8. See also

• The Linux-PAM Application Writers' Guide.
• The Linux-PAM Module Writers' Guide.
• The V. Samar and R. Schemers (SunSoft), ``UNIFIED LOGIN WITH PLUGGABLE AUTHENTICATION MODULES'', Open Software Foundation Request For Comments 86.0, October 1995. See this url: http://www.kernel.org/pub/linux/libs/pam/pre/doc/rfc86.0.txt.gz