A file system controller of an operating system controls the management of a file system, including the creation of file system snapshots or other backup copies of data in the file system to at least one storage device. In addition, the file system controller creates a named data stream attached to an...http://www.google.com.au/patents/US20070022117?utm_source=gb-gplus-sharePatent US20070022117 - Accessing file system snapshots directly within a file system directory
