A system and method for controlling the execution of executable files. The hook member includes a stem extending upwardly from a sheet-form base to a distal end. A fluid supply device having at least one fluid channel is provided for supply of fluid to at least one cooling or lubrication point of the drive device. In order to ensure that the sealing elements can be securely closed on the parting joint, the sealing segments are positively interconnected on the parting joint. The preferred client list potentially identifies at least one preferred client device for which the second content distribution network preferably processes client requests.