OpenVMS, often referred to as just VMS, is a multi-user, multiprocessing virtual memory-based operating system designed to support time-sharing, batch processing, transaction processing and workstation applications.

Is OpenVMS still used?

OpenVMS was first introduced as Virtual Memory System (VMS) from Digital Equipment Corporation (DEC) for its series of VAX servers but was later renamed OpenVMS after adding support for the POSIX standard. ... Recently, HPE announced it will be ending its support of OpenVMS by the end of 2020.

Is VMS an operating system for?

VMS (Virtual Memory System) is an operating system from the Digital Equipment Corporation (DEC) that runs in its older mid-range computers. VMS originated in 1979 as a new operating system for DEC's new VAX computer, the successor to DEC's PDP-11. VMS is a 32-bit system that exploits the concept of virtual memory.