unionfs: unionfs (A Stackable Unification File System)
unionfs:
unionfs: Unionfs is a stackable unification file system, which can appear to
unionfs: merge the contents of several directories (branches), while keeping
unionfs: their physical content separate.
unionfs: Unionfs is useful for unified source tree management, merged contents
unionfs: of split CD-ROM, merged separate software package directories,
unionfs: data grids, and more.
unionfs:
unionfs: See also http://www.fsl.cs.sunysb.edu/project-unionfs.html
unionfs: