Patent ID: 8028006

Claim:
A method for replacing a first sub-hierarchy of a New Technology File System (NTFS) hierarchical filesystem (NTFS HFS) with a second sub-hierarchy, the method comprising the steps of: providing for the first sub-hierarchy to include a first root directory having at least one special system file, wherein the first sub-hierarchy includes a first plurality of files configured to branch from the first root directory; providing for the second sub-hierarchy to include a second root directory located in a second location of the HFS, the second root directory having at least one placeholder file corresponding to the at least one special system file, wherein the second sub-hierarchy includes a second plurality of files configured to branch from the second root directory; and configuring the first plurality of files to branch from the first root directory once the first root directory is accessed through the second location; exchanging the first plurality of files with the second plurality of files; and exchanging at least one directory pointer corresponding to the at least one special system file with at least one directory pointer corresponding to the at least one placeholder file.