This area contains

CMPHIGHC.ZIP		Compressing disk for VMS. You run a utility which
			creates a compressed image of the entire disk on
			2 container files (one, longer, has data; the other
			is index). The rest of the package allows you to
			access these files, even over DECnet, as a read
			only disk.

DFDRIVER		Alpha virtual disk driver (one of N...) with a few
			variants

VDD64			Virtual disk for alpha, works with DEC vol. shadow.