The config directory
During installation, Drupal adds a directory within sites/default/files called config_HASH, where HASH is a long random string of letters and numbers, as shown in the following screenshot:
This sequence is a random hash generated during the installation of your Drupal site. It is used to add some protection to your configuration files. Additionally to the default restriction enforced by the .htaccess file within the subdirectories of the config directory that prevents unauthorized users from seeing the content of the directories. As a result, would be really hard for someone to guess the folder's name.
Within the config directory, you will see two additional directories that are empty by default (leaving the .htaccess and README.txt files aside).
One of the directories is called active. If you change the configuration system to use file storage instead of the database for active Drupal site configuration, this directory will contain the active configuration. If you...
