(
Virtual 
Machine 
Environment)  An operating system from Fujitsu Services (formerly ICL) that runs on its Series 39 mainframes.  Introduced in 1975, VME is a comprehensive product that provides a variety of utilities for datacenter operations.  In late 1992, VME achieved XPG/4 branding for its conformance to open systems standards.  In 1994, OpenVME was introduced for the Series 39.  See 
OpenVME.  See also 
VMEbus.