11 files declare their use of File

comment.module in drupal/core/modules/comment/comment.module
Enables users to comment on published content.
DatabaseFileUsageBackend.php in drupal/core/modules/file/lib/Drupal/file/FileUsage/DatabaseFileUsageBackend.php
Definition of Drupal\file\FileUsage\DatabaseFileUsageBackend.
file.module in drupal/core/modules/file/file.module
Defines a "managed_file" Form API field and a "file" field for Field module.
FileUsageBase.php in drupal/core/modules/file/lib/Drupal/file/FileUsage/FileUsageBase.php
Definition of Drupal\file\FileUsage\FileUsageBase.
FileUsageInterface.php in drupal/core/modules/file/lib/Drupal/file/FileUsage/FileUsageInterface.php
Definition of Drupal\file\FileUsage\FileUsageInterface.
file_module_test.module in drupal/core/modules/file/tests/file_module_test.module
Provides File module pages for testing purposes.
file_test.module in drupal/core/modules/file/tests/file_test/file_test.module
Helper module for the file tests.
image.module in drupal/core/modules/image/image.module
Exposes global functionality for creating image styles.
node.module in drupal/core/modules/node/node.module
The core module that allows content to be submitted to the site.
TestFileUsage.php in drupal/core/modules/system/tests/modules/bundle_test/lib/Drupal/bundle_test/TestFileUsage.php
Definition of Drupal\bundle_test\TestFileUsage.
user.module in drupal/core/modules/user/user.module
Enables the user registration and login system.