<p>System plugins operate every time a page on your site loads. They control such things as your URLS, whether users can check a "remember me" box on the login module, and whether caching is enabled. Â New in 1.6 is the redirect plugin that with the redirect component assist you in managing changes in URLs.</p>
<p>Default on:</p>
<ul>
<li>Remember meÂ <a href="http://help.joomla.org/proxy/index.php?option=com_help&amp;amp;keyref=Help17:Extensions_Plugin_Manager_Edit#System_-_Remember_Me">Help</a></li>
<li>SEFÂ <a href="http://help.joomla.org/proxy/index.php?option=com_help&amp;amp;keyref=Help17:Extensions_Plugin_Manager_Edit#System_-_SEF">Help</a></li>
<li>DebugÂ <a href="http://help.joomla.org/proxy/index.php?option=com_help&amp;amp;keyref=Help17:Extensions_Plugin_Manager_Edit#System_-_Debug">Help</a></li>
</ul>
<p>Default off:</p>
<ul>
<li>CacheÂ <a href="http://help.joomla.org/proxy/index.php?option=com_help&amp;amp;keyref=Help17:Extensions_Plugin_Manager_Edit#System_-_Cache">Help</a></li>
<li>LogÂ <a href="http://help.joomla.org/proxy/index.php?option=com_help&amp;amp;keyref=Help17:Extensions_Plugin_Manager_Edit#System_-_Log">Help</a></li>
<li>RedirectÂ <a href="http://help.joomla.org/proxy/index.php?option=com_help&amp;amp;keyref=Help17:Extensions_Plugin_Manager_Edit#System_-_Redirect">Help</a></li>
</ul>