VDDRV FOR IAS This set of programs (vddrv, vdkdrv, vdprv) is a virtual disk driver for IAS or RSX11D which was originally written about 1977. It provides virtual data disks only (must NOT run tasks from them), but allows encryption and MUCH access checking of access to the virtual disks, providing secure subsystems if this is desired. Replacing the ..BLXI or ..BLXO calls with functions that can run with no task context will allow this driver to load tasks too. Note vdkdrv is a version that does not ask passwords or provide encryption, just raw virtual disks. Glenn Everhart