OpenVMS

OpenVMS is a Multi-user Operating system developed by Digital Equipment Corporation (DEC) and first released in 1977. It was designed to run on VAX Minicomputers and later on Alpha and Itanium-based systems, with support from Hewlett Packard Enterprise and VMS Software Inc.. OpenVMS is known for its Reliability, Scalability, and Security, making it a popular choice for Mission-critical applications in industries such as Finance, Healthcare, and Government, including organizations like NASA, Lockheed Martin, and Boeing. It has been used in various environments, including University of California, Berkeley, Massachusetts Institute of Technology, and CERN.

Introduction

OpenVMS is a Proprietary software operating system that has been widely used in various industries, including Finance, Healthcare, and Government, with notable users such as Goldman Sachs, JPMorgan Chase, and the United States Department of Defense. It is known for its Reliability, Scalability, and Security, making it a popular choice for Mission-critical applications, such as those used by IBM, Microsoft, and Oracle Corporation. OpenVMS has a strong presence in the Mainframe computer market, competing with other operating systems like z/OS from IBM and NonStop OS from Hewlett Packard Enterprise. It has also been used in various research environments, including Los Alamos National Laboratory, Lawrence Livermore National Laboratory, and European Organization for Nuclear Research.

History

The development of OpenVMS began in the early 1970s at Digital Equipment Corporation (DEC), with a team led by David Cutler, who later worked on the Windows NT operating system at Microsoft. The first version of OpenVMS, called VMS, was released in 1977 and was designed to run on VAX Minicomputers, which were widely used in the 1970s and 1980s by companies like Intel, Cisco Systems, and 3M. Over the years, OpenVMS has undergone significant changes and improvements, with support added for new hardware platforms, including Alpha and Itanium-based systems, which were also used by Dell, HP Inc., and Lenovo. In 1998, Compaq acquired DEC and continued to develop and support OpenVMS, with contributions from Red Hat, SUSE, and Canonical Ltd.. After Hewlett Packard acquired Compaq in 2002, it continued to support OpenVMS, with partnerships with VMware, Citrix Systems, and Red Hat.

Features

OpenVMS has a number of features that make it a popular choice for Mission-critical applications, including its Reliability, Scalability, and Security. It has a Monolithic kernel architecture, which provides a high level of performance and Stability, similar to Linux and Unix. OpenVMS also has a Command-line interface and supports a wide range of Programming languages, including COBOL, Fortran, and C++, which are also used by Google, Amazon, and Facebook. It has a strong focus on Security, with features like Access control and Encryption, which are also used by National Security Agency, Federal Bureau of Investigation, and Central Intelligence Agency. OpenVMS also has a number of tools and utilities for System administration and Troubleshooting, including DECnet and TCP/IP, which are also used by Internet Engineering Task Force and Internet Society.

Applications

OpenVMS has been used in a wide range of applications, including Finance, Healthcare, and Government, with notable users such as New York Stock Exchange, London Stock Exchange, and United States Department of Treasury. It is commonly used for Database management and Transaction processing, with support for databases like Oracle Database and Microsoft SQL Server, which are also used by SAP SE, IBM, and Microsoft. OpenVMS is also used in Scientific computing and Research, with applications like Weather forecasting and Genomics, which are also used by National Oceanic and Atmospheric Administration, National Institutes of Health, and European Molecular Biology Laboratory. It has been used in various industries, including Manufacturing, Transportation, and Energy, with companies like General Electric, Siemens, and ExxonMobil.

Hardware_Support

OpenVMS has been supported on a wide range of hardware platforms, including VAX, Alpha, and Itanium-based systems, which were also used by Sun Microsystems, Silicon Graphics, and Cray Inc.. It has also been supported on X86-based systems, with partnerships with Intel, AMD, and IBM. OpenVMS has a strong focus on Scalability, with support for Clustering and Distributed computing, which are also used by Google, Amazon, and Microsoft. It has been used in various environments, including Data centers and Cloud computing, with support from Amazon Web Services, Microsoft Azure, and Google Cloud Platform.

Current_Status

Today, OpenVMS is still widely used in various industries, including Finance, Healthcare, and Government, with notable users such as Federal Reserve, Centers for Medicare and Medicaid Services, and United States Department of Homeland Security. It is supported by Hewlett Packard Enterprise and VMS Software Inc., with a strong community of users and developers, including OpenVMS Society and VMS User Group. OpenVMS continues to evolve, with new features and improvements being added regularly, including support for Cloud computing and Artificial intelligence, which are also used by IBM Watson, Google Cloud AI Platform, and Microsoft Azure Machine Learning. Despite the rise of other operating systems like Linux and Windows, OpenVMS remains a popular choice for Mission-critical applications, with its Reliability, Scalability, and Security making it a trusted platform for many organizations, including NASA, Lockheed Martin, and Boeing. Category:Operating systems