link

Feature list of common CMS’s.

Simple Machines http://www.simplemachines.org/about/features.php

vBulletin http://www.vbulletin.com/index.php?do=features

WordPress http://wordpress.org/about/features/

InvisonPower http://www.invisionpower.com/products/blog/features.php

PHPBB http://www.phpbb.com/about/features/

mambo http://mambo-foundation.org/

Drupal http://drupal.org/features

http://reflectionof.me/relative-prices-of-different-liquids-1

everything you ever wanted to know about file permissions is here