sponsored by
OSdata.com: OS/MVS 




    OS/MVS was IBM’s primary mainframe OS for decades.

    “Multiple Virtual Space. Virtual storage OS for IBM 370, derived from MVT. Originally called VS2, Release 2. First release 1974.”w80 Professor Jim Mooney’s list of Batch Systems for Large Computers


OSdata.com is used in more than 300 colleges and universities around the world

Find out how to get similar high web traffic and search engine placement.

Intended purpose

server/mainframe: medium to large scale servers; mainframes (originally a batch system)

desktop/workstation: workstations (for those with command line familiarity)

handheld: not appropriate

real time: not appropriate

Kind of OS: proprietary

Release Date: initial release 1974w80

Current Version: 5.2e109


Hardware Supported: System/360 mainframes, System/370 mainframes, System/390 mainframes (and compatibles)e109

Maximum Number of Processors: “MVS can handle multiple sysplex processors (in parallel)” — Pat Jaworskie109

Number of bits:

Kernel: proprietary

POSIX: certifiede56

    “Interestingly enough, IBM’s MVS mainframe operating system is now X/Open branded.” — Steve Byane56


File Systems Supported:

Other Systems Emulated:

Graphics Engine:

Text Command Shell: JCL

User Interface (graphic):

Graphic Command Shell:

Disabled support:

Internet Services:

Application Programs:



    “A mainframe can be a great back-end to a mission critical enterprise database system. All you need on the client end is an OS/2, AIX, Windoze9x/NT workstation (or vitually ANY PC or home computer capable of TN3270 protocol).” — Pat Jaworskie109


    Scherr, A.L. Functional structure of IBM virtual storage operating systems. Part II: OS/VS2-2 concepts and philosophies. IBMSJ Vol. 12, No. 4, 1973, pp. 383-401.
    Auslander, M.A., et al. The Evolution of the MVS Operating System. IBMJRD, Vol. 25, No. 5, Sept. 1981, pp. 471-482.

references within this web site

(for your convenience, look for this symbol marking passages about OS/MVS)

further reading: web sites

Please send recommendations on additional URLs to Milo.

official web sites


(Frequently Asked Questions)

user group web sites

other related web sites

further reading: books

If you want your book reviewed, please send a copy to: Milo, POB 1361, Tustin, CA 92781, USA.

Price listings are for courtesy purposes only and may be changed by the referenced businesses at any time without notice.

further reading: books: introductory/general

further reading: books: administration

    MVS and Unix: A Survival Handbook for Multi-Platform Users, Developers, and Managers (McGraw-Hill IBM Series); by Richard J. Bambara; Computing McGraw-Hill; May 1998; ISBN 0070066639; paperback; 560 pages; $65.00

Essential System Administration: Help for Unix System Administrators (Nutshell Handbook); 2nd edition; by Aeleen Frisch; O’Reilly & Associates; December 1996; ISBN 1565921275; paperback; 788 pages; $27.96

The Complete Guide to Netware 4.11/Intranetware; 2nd edition; by James E. Gaskin; Sybex; December 1996; ISBN 078211931X; paperback; $47.99; includes information on getting NetWare working with Windows, Macintosh, UNIX, and OS/2

further reading: books: internet

Building a Unix Internet Server; by George Eckel; New Riders Publishing; June 1995; ISBN 1562054945; paperback (with CD-ROM); 325 pages; $30.40

further reading: books: enterprise/business

further reading: books: content creation

further reading: books: programming

Advanced Programming in the Unix Environment (Addison-Wesley Professional Computing Series); by W. Richard Stevens; Addison-Wesley Pub Co; June 1992; ISBN 0201563177; hardcover; 744 pages; $63.95

further reading: books: hardware

further reading: books: miscellaneous

In Association with Amazon.com

If you want your book reviewed, please send a copy to: Milo, POB 1361, Tustin, CA 92781, USA.

OSdata.com is used in more than 300 colleges and universities around the world

Read details here.

    A web site on dozens of operating systems simply can’t be maintained by one person. This is a cooperative effort. If you spot an error in fact, grammar, syntax, or spelling, or a broken link, or have additional information, commentary, or constructive criticism, please e-mail Milo. If you have any extra copies of docs, manuals, or other materials that can assist in accuracy and completeness, please send them to Milo, PO Box 1361, Tustin, CA, USA, 92781.

    If you have an extra or unwanted copy of any official manuals or documentation on this operating system, please send them to: Milo, POB 1361, Tustin, CA 92781, USA. I have the following items: NONE.

    Note: I am looking for a fan of OS/MVS who has the time to check this web site for completeness and accuracy regarding OS/MVS. Just check through the site about once a week or so and report back with any information (including the URL of the web page you are reporting).

    Click here for our privacy policy.

Click here to skip over the summaries of individual operating systems.

previous page next page
previous page next page

home page

peer level









Digital UNIX (or DUNIX)


GNU Hurd





Mac OS X









OpenVMS (or OVMS)


OS/2 Warp

OS/2 Warp Server










Windows 3.1

Windows 95

Windows 98

Windows NT

Windows NT Server

Windows NT Server Enterprise Edition

Made with Macintosh

    This web site handcrafted on Macintosh computers using Tom Bender’s Tex-Edit Plus and served using FreeBSD .

Viewable With Any Browser

    †UNIX used as a generic term unless specifically used as a trademark (such as in the phrase “UNIX certified”). UNIX is a registered trademark in the United States and other countries, licensed exclusively through X/Open Company Ltd.

    Names and logos of various OSs are trademarks of their respective owners.

    Copyright © 1998, 1999, 2000, 2001, 2004 Milo

    Last Updated: April 4, 2004

    Created: September 2, 1998

Click here to skip over the summaries of individual operating systems.

previous page next page
previous page next page