Outdated TYPO3 Version
This documentation refers to an outdated TYPO3 version - either select a supported version or make sure to use a TYPO3 Extended Long Term Support (ELTS) version to continue getting security updates.
File system conventions¶
There are certain conventions about naming files and directories in the TYPO3 core and extensions. Some of them are historical and do not follow other formal rules. They will be described separately. New core classes and extensions are required to follow the formal rules outlined below.