A Hidden File Command is a small gold disk that can hide programs from view. They are somewhat advanced as they are not found in Mainframe. The Super Computer maintains a stokepile of the little devices. Bob went to the Super Computer in order to keep Megabyte from using a portal leading there. Once through the portal it destabilized and turn back into a tear. Bob grabed three hidden file commands and quickly returned to Mainframe to save Dot Matrix from Megabyte.