A covering sheet for being wound around a linear member includes a flat surface portion. A request is received over a network from a user for data related to a context, wherein the request is a URL comprising a context query comprising at least one context criteria. The array is supported for movement along a lateral path generally parallel to the axis of the arbor. A persistent storage area is used to hold a Kernel Authorization Data field for the root key andor other keys used by the kernel or other specialized processes.