OpenVMS, often referred to as just VMS, [8] is a multi-user, multiprocessing and virtual memory -based operating system. It is designed to support time-sharing, batch processing, transaction processing and workstation applications. [9]

OpenVMS is a server operating system, originally developed by Digital Equipment Corporation (DEC) as VMS. It was enhanced by Compaq, HP (E), and is now licensed to VMS Software, Inc. that ported OpenVMS to industry-standard Intel and AMD x86-64 CPU architecture, enabled virtualization, and released several updates for Integrity and Alpha.

OpenVMS（全称Open Virtual Memory System，中文汉字意译为“开放虚拟内存系统”）是VAX计算机的早期操作系统，是美国DEC公司（Digital Equipment Corporation，DEC）为其VAX以及Alpha计算机开发的操作系统。

2025年3月13日 · OpenVMS is a multi-user, multitasking operating system that supports virtual memory. OpenVMS supports clustering (up to 96 nodes) that provides distributed processing, resource sharing, and cluster uptimes of dozens of years.

VMS Software, Inc. has migrated OpenVMS and its layered products to the industry standard x86_64 architecture to help customers protect their investment in OpenVMS infrastructure, especially in virtualized environments and in the cloud. This commercial release of OpenVMS V9.2-1 is available for porting development and production use on x86-64.

OpenVMS (VMS) is a server OS sold by VMS Software, Inc. (VSI). This operating system runs on VAX, Alpha, Integrity, and soon x86 systems.

OpenVMS, or Open Virtual Memory System, is a secure and reliable multi-user OS initially developed by Digital Equipment Corporation (DEC) and later acquired by Compaq and HP.

OpenVMS documentation including VMS manuals for VSI OpenVMS and HP OpenVMS can be found here.

2023年11月15日 · OpenVMS is an operating system created in 1977 by the Digital Equipment Corporation and still widely used by large companies in the military, healthcare, banking, telecommunications and other industries. It is primarily known for its security and unrivaled clustering capabilities.

2022年5月10日 · VMS Software Inc. has announced the release of OpenVMS 9.2, the first production-supported release for commercial off-the-shelf x86 hardware. The expectation is that customers will deploy the new OS [PDF] into VMs.