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z/OS
IBM home page for zSeries/Operating System (z/OS). Information on the latest version with links to an overview, recent announcements, software, migration and installation, news, support, downloads, education, library and ease of use issues. z/OS replaced OS/390 (which replaced MVS) when IBM eserver zSeries 900 (z900) replaced System/390 enterprise servers (mainframes).
http://www.ibm.com/servers/eserver/zseries/zos/
MVS Update Journal
Xephon's monthly technical journal covering z/OS, OS/390 and MVS. Older issues, including published code, are available for free download.
http://www.xephon.com/index/updates/MVSu.html
mvshelp.com
Help Boards and Interview Q&A provide moderated technical questions and answers in forums divided along subject lines.
http://www.mvshelp.com/
MVS/ESA IBM Manuals
On-line access to manuals covering all components of MVS/ESA. Requires no special reader, though it does simulate IBM BookManager.
http://www.ibm.com/servers/s390/os390/bkserv/mvs.html
OS/390 Internet Library
On-line access to manuals covering all components of OS/390. Needs no special reader, though it does simulate IBM BookManager.
http://www.ibm.com/servers/s390/os390/bkserv/
Rizzuto IT
Books, education, technical reports, freeware and links of interest to those who support z/OS.
http://www.rizzuto.it
Catalog and VSAM Knowledge Base
An IBM interactive diagnostic tool for z/OS catalog and VSAM problem analysis and resolution. The VSAM Technical Information link provides access to catalog and VSAM manuals, commands and free utilities.
http://knowledge.storage.ibm.com
IBM z/OS and OS/390 Expo
The next IBM z/OS and OS/390 annual technical conference. Focusing first and foremost on performance issues, 4.5 days.
http://www.ibm.com/services/learning/conf/us/os390
z/OS IBM Manuals
On-line access to manuals covering all components of z/OS. Requires no special reader, though it does simulate IBM BookManager.
http://www.ibm.com/servers/eserver/zseries/zos/bkserv
IMS
IBM home page for Information Management System (IMS). Information on the family of software with links to a library, success stories, news, events, education, services and support. IMS is a transaction processing system (IMS/TM), a hierarchical database (IMS/DB), data management tools and connectors.
http://www.ibm.com/software/data/ims
DB2 for z/OS and OS/390
IBM home page for Database 2 Universal Database (DB2 UDB). Information on associated products and links to features and benefits, system requirements, library, success stories, news, downloads, events, education, services and support. DB2 is a relational database management system (DBMS).
http://www.ibm.com/software/data/db2/os390
DFSORT/MVS
IBM home page for Data Facility Sort (DFSORT). Includes links to product details, publications, support and downloads. DFSORT is sort/merge software with utility capabilities such as data analysis, conversion and reporting.
http://www.storage.ibm.com/software/sort/mvs
RACF
IBM home page for Resource Access Control Facility (RACF) security software. Introduction with links to a technical overview, news, downloads, user groups, past and future presentations, migration, library, FAQs and education.
http://www.ibm.com/servers/eserver/zseries/zos/racf
OSAM is Better than VSAM
A 2000 IBM presentation in Adobe Acrobat (.pdf) format, explaining why Overflow Sequential Access Method (OSAM), not VSAM, is now the access method of choice for use internally by IMS databases. By Alan Cooper.
http://www.ibm.com/support/techdocs/atsmastr.nsf/c0948df04618966285256721006ae65f/86256ac10042f493852569520051d994?OpenDocument
SimoTime
Provides z/OS-based mainframe application concepts, techniques and examples, with special emphasis on integration with the Internet. Hosted by a California consulting firm.
http://www.simotime.com
Gabe Gargiulo on Programming Languages
Information, links and lists of books mostly on z/OS-based programming languages, including JCL. Including downloads of Gabe's Just Enough series of mini-manuals.
http://www.touniteamerica.com/programming
IMS Glossary of Terms and Acronyms
Common technical terminology used to describe concepts within IMS/TM and IMS/DB. From IBM.
http://www.ibm.com/software/data/ims/shelf/glossary.htm
IAM vs. VSAM: A Comparison of Data Access Methods
A BMC comparison of VSAM and its non-IBM competitor IAM running in an z/OS environment. From the September 2000 issue of tech NEWS.
http://www.bmc.com/technews/003/IAMvsVSAM.html
OS/360 Obituary
On August 9, 1972, D.A. Jardine wrote this humorous obituary for Operating System/360 (OS/360), the original ancestor of z/OS.
http://ldworen.net/fun/os360obit.html
LE: Language Environment
The IBM common run-time environment for popular programming languages.
http://www.ibm.com/servers/eserver/zseries/zos/le
z/OS Security
IBM security features with and products for z/OS.
http://www.ibm.com/servers/eserver/zseries/zos/security
z/OS.e
A specially priced offering of z/OS providing select z/OS function for the zSeries 800.
http://www.ibm.com/servers/eserver/zseries/zose
RMF: Resource Management Facility
IBM's performance measurement and management software.
http://www.ibm.com/servers/eserver/zseries/zos/rmf
SMP/E: System Modification Program Extended
The software used to install and maintain z/OS software from IBM and many other software companies.
http://www.ibm.com/servers/eserver/zseries/zos/smpe
Mainframe Application Programming Portal
Lots of useful information for the z/OS application programmer. By Indian author P. Manoj Macmillan.
http://www.ibmmainframes.com
TSO Times
On-line newsletter of technical articles related to TSO and ISPF, with lots of REXX-related information. Includes some articles on the company's (Chicago-Soft) mainframe software products.
http://www.TSOTimes.com
Western Illinois University: StuMVS System
Student guides for TSO (ISPF), CICS, MVS QuickRef, AbendAid, local JCL standards and a small glossary.
http://mvs.wiu.edu/stumvs
MVS SHARE Project
As well as a description of the MVS Project, under which all z/OS activities of the SHARE user group are organized, there are also useful Web links.
http://www.share.org/mvs
StorageTek: z/OS Support Commitment
StorageTek's policy statement detailing their products' support for IBM mainframes and their operating systems.
http://www.support.storagetek.com/GlobalNavigation/Support/NewsAndUpdates/OS390/OS390Index.htm
VSAM support in TSO, ISPF and REXX
Explains how to use VSAM in TSO, ISPF and REXX. Part of Gilbert Saint-flour's mainframe Web site.
http://gsf-soft.com/Documents/TSOVSAM.html
z/OS Hot Topics Newsletters
Published twice annually by IBM for z/OS Systems Programmers, with one to five page technical articles. Available on-line in PDF format.
http://www.ibm.com/servers/s390/os390/bkserv/hot_topics.html
z/OS, OS/390 and MVS End of Support Dates
Announcement, general availability, marketing withdrawal and end of support dates and program numbers for z/OS, OS/390 and MVS/ESA.
http://www.ibm.com/servers/eserver/zseries/zos/support/zos_eos_dates.html
IBM z/OS Consolidated Service Test (CST) and the Recommended Service Upgrade (RSU)
Integrated testing of an older Program Update Tape (PUT) level with hipers and PE's from a more recent PUT level for specified operating system, database and teleprocessing monitor versions.
http://www.ibm.com/servers/eserver/zseries/zos/servicetst/
PeopleSoft on the Mainframe
Performance tips for PeopleSoft running on z/OS DB2. From consulting firm DataBase Consulting Services (DBCS).
http://www.db-consulting.com/links.htm
Northwest Regional Data Center: Technical Support
Access to mainframe and other user documentation for Florida's educational Data Center, both generic and site-specific, including DFSMShsm, CICS/VSAM, DB2, tn3270 and ftp. Non-IBM software manuals require ID and password.
http://www.nwrdc.fsu.edu/index_support.html
CICS VSAM Programming
Documentation for z/OS programmers using VSAM in a CICS environment. Includes a small amount of installation-dependent information from Florida's educational Northwest Regional Data Center.
http://www.nwrdc.fsu.edu/index_support_cics_progguide_vsam.html
SDSF: System Display and Search Facility
IBM software to view and control the JES2 queues, running batch jobs, started tasks, and on-line TSO users.
http://www.ibm.com/servers/eserver/zseries/zos/sdsf/
Watson & Walker
Cheryl Watson specializes in z/OS tuning. This site offers access to some of her free reports and details on how to acquire her chargeable materials, including her Tuning Newsletter, CPU chart, classes on video, and BoxScore and GoalTender software.
http://www.watsonwalker.com
ASU IT FYI: Arizona State University On-line Mainframe MVS/TSO Help
Detailed usage information on a broad range of commonly-used z/OS software. Some is specific to ASU's academic mainframe.
http://www.asu.edu/it/fyi/mvs
DB2 Update Journal
Xephon's monthly technical journal covering DB2, predominantly in z/OS, but also other platforms. Older issues, including published code, are available for free download.
http://www.xephon.com/index/updates/DB2u.html
North Carolina State University: z/OS
The NCSU Administrative Computing Services mainframe overview, with detailed ISPF, IOF and ftp usage instructions.
http://www.acs.ncsu.edu/MVSsystems
Clemson University: z/OS Documentation
Detailed step-by-step information on using mainframe utilities and other commonly-used software, including SAS.
http://dcit.clemson.edu/sig/docs/os390/os390.html
SDSF and ISPF Quick Reference Guides
Introductory information on using SDSF and ISPF, showing the actual screens you will see. In Adobe Acrobat .pdf format from the U.S. Environmental Protection Agency's Safe Drinking Water Information System/Federal Version (SDWIS/FED).
http://www.epa.gov/safewater/sdwisfed/qrg.html
GSU: Georgia State University IS&T Help Center Services
Includes step-by-step instructions to create and compile COBOL and FORTRAN programs on the z/OS mainframe.
http://www.gsu.edu/~wwwhcs/online.htm
University of Georgia Mainframe
Detailed usage information for z/OS JCL, TSO, ISPF and z/OS Abend codes.
http://www.eits.uga.edu/hostsys/mvs/
z/OS-related Web Resources
Dorkie's favourite Web links for those using z/OS, as well as a few pages of his own. Mostly in English, with a few available in French.
http://www.s390er.com
MVS Forums
Help Boards provide question and answer discussion threads on z/OS application programming, databases, utilities, JCL, Middleware including CICS, IMS, TSO, ISPF, data management and problem determination. There are also links to IBM manuals.
http://www.mvsforums.com
OSdata.com on MVS
A Web site that looks at operating systems, takes a look at MVS, now officially known as z/OS.
http://www.osdata.com/oses/mvs.htm
Wikipedia OS/360 Encylopedia Entry
Short article with many embedded links describing Operating System/360 (OS/360), the original ancestor of z/OS that was written as the operating system for high-end System/360 computers in the early 1960s.
http://www.wikipedia.org/wiki/OS/360
LDW's Quick and Dirty MVS Page
Leonard Woren's favourite z/OS software and links.
http://ldworen.net/mvs
MVS Systems Programming: The Book
Focused mainly on the 1993 book by David Elder-Vass, an abridged version of which is featured on the site.
http://www.mvsbook.fsnet.co.uk/
Bill's Big Iron Page
Both links and original material covering common programming problems in the z/OS environment. By Canadian Bill Lalonde.
http://www.members.tripod.com/~billlalonde
Testing z/OS
An IBM Systems Journal article describing how the z/OS development team tested the operating system. Discusses verification methodologies, and test technologies and techniques.
http://www.research.ibm.com/journal/sj/411/loveland.html
Vanguard Enterprise Security Expo
Annual security conference intended for organizations using RACF, but covering non-mainframe-specific topics, such as smart cards and digital certificates.
http://www.go2vanguard.com/expo
UNIX System Services
IBM resources for the full UNIX implementation built into z/OS.
http://www.ibm.com/servers/eserver/zseries/zos/unix
z/OS Elements and Features
A list of, and links to information on, the Base Elements included in the latest release of the z/OS operating system, and the optional Features.
http://www.ibm.com/servers/eserver/zseries/zos/zos_elefeat.html
DFSMShsm
Originally the Hierarchical Storage Manager (hsm), now "a functional component of DFSMS that provides facilities for managing storage devices" (IBM).
http://www.storage.ibm.com/software/sms/hsm
DFSMS
The storage management components of z/OS, including DFSMSdfp, DFSMSdss, DFSMShsm and DFSMSrmm.
http://www.storage.ibm.com/software/sms
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