IBM EZ-VU II Runtime Facility Released in 1986 by IBM For DOS Image Quality: Unused EZ-VU II Runtime Facility provides the runtime environment to support applications developed using the EZ-VU II Development Facility. This product is to be used with products which call for it as a prerequisite. The EZ-VU Development Facility and Runtime are a programming library that acts as a "dialog manager" that provides controls and services for interactive programs in the PC environment.