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Revision Date Username Comment
1028 Feb 2015 - 11:29ThomasMisa 
928 Feb 2015 - 11:26ThomasMisa 
820 Feb 2015 - 12:29ThomasMisa 
710 Dec 2014 - 20:21ThomasMisa 
603 Oct 2013 - 15:41norqu036? 
522 Apr 2013 - 10:56NicLewis 
412 Mar 2013 - 11:27NicLewis 
306 Mar 2013 - 10:29NicLewis 
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You are here: UMWiki>CBI_ComputerSecurity Web>Systems>SystemsDECVAXVMS (28 Feb 2015, ThomasMisa)

Current Activitieslock Who is Who?lock People Programs Publications CSHW_2014 Systems Events Mechanisms



VAX/VMS, now known as OpenVMS (Open Virtual Memory System), is a server operating system that runs on VAX, Alpha, and Itanium-based computers. Development of VAX/VMS began in 1975, then known as VAX-11/VMS, at Digital Equipment Corporation (DEC) as a companion operating system for the new VAX computer hardware project. Its name was changed to VAX/VMS in 1980 with the release of version 2.0; VAX/VMS incorporated numerous features that are now common in server operating systems, including scalability across a wide range of installation sizes, built-in networking, error correction coded system memory, multiprocessing, security, and a computerized remote diagnosis capability.(1)(2)(3)

The operating system, under the OpenVMS designation, remains in use today, ported to the Intel Itanium platform in 2001 by Compaq, which had acquired DEC, along with OpenVMS, in 1998. In 1993, the OpenVMS operating system attained a class C2 rating outlined in the DoD Rainbow Series.(4)(5)

Additional Resources:

  • lock HP OpenVMS Guide to System Security (Login required).
  • Lipner, S. ; Jaeger, T. ; Zurko, M.E. "Lessons from VAX/SVS for High-Assurance VM Systems." IEEE Security & Privacy 10 no. 6 (2012): 26-35 at DOI
    • Abstract: The authors take a look back at VAX/SVS, a high-assurance virtual machine monitor (VMM) project from the 1980s, extracting its most pertinent lessons, including reference monitor architectural principles, approaches to verifiable and tamperproof access control, the benefits of layering, the impacts of minimization and verification, and the reasons behind its cancellation.


1 : http://h71000.www7.hp.com/openvms/30th/

2 : lock Henry M. Levy and Peter H. Lipman, "Virtual Memory Management in the VAX/VMS Operating System," Computer (IEEE, March 1982), 35-37. (Login required)

3 : lock Katie Peck, "Vax OpenVMS at 20," (Digital, 1997), 10-15, 20-24, 26. (Login required)

4 : http://h71000.www7.hp.com/openvms/30th/t_past_text.html

5 : http://www.informationweek.com/vms-operating-system-is-30-years-old-cus/202801418

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Topic revision: r10 - 28 Feb 2015 - 11:29:17 - ThomasMisa
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