#Configuration Files
This section will explain the many configuration options in Umbraco and what they do
###web.config
###trees.config
Contains many Umbraco options, generally the default values work well in most installs; however, in some cases some of these options may need adjusting depending on each installation.
##clientdependency.config
The ClientDependency configuration options can be found on the ClientDependency website.
##log4net.config
The log4net configuration options can be found on the log4net website.
##UrlRewriting.config
The UrlRewriting documentation can be downloaded in PDF format.