NTFS File Permission Read This allows the user or group to read the file and view its attributes, ownership, and permissions set. Write This allows the user or group to overwrite the file, change its attributes, view its ownership, and view the permissions set. Read & Execute This allows the user or group to run and execute the application. In addition, the user can perform all duties allowed by the Read permission. Modify This allows the user or group to modify and delete a file including perform all of the actions permitted by the Read, Write, and Read and Execute NTFS file permissions. Full Control This allows the user or group to change the permission set on a file, take ownership of the file, and perform actions permitted by all of the other NTFS file permissions.