Module "System > Settings" 

Changed in version 14.0

Global configuration can only be changed by backend users with System Maintainer privileges.

Use the backend module System > Settings to access the different configuration options:

Backend module "System > Settings" as seen by a system maintainer

Changes made in this module are written to file config/system/settings.php. They can be overridden by configuration in file config/system/additional.php in which case they cannot be changed from the TYPO3 Backend.