Products & Services

Virtual Software Systems, Inc. offers the following products and services:

VPARS (Virtual PARS) – VPARS is a software enhancement to z/VM that allows multiple virtual machines to transparently share a TPF (Transaction Processing facilty) database.

VTAPE (Virtual Tape) – VTAPE is an implementation of a virtual tape device in z/VM software.

ShadowDisk/Z (SDISK) – ShadowDisk/Z is a software enhancement to z/VM that allows multiple virtual machines to transparently share a z/Linux filesystem.

Services – Consultancy and training services.