- z/OS - http://www.ibm.com/servers/eserver/zseries/zos/
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).
- MVS Update Journal - http://www.xephon.com/index/updates/MVSu.html
Xephon's monthly technical journal covering z/OS, OS/390 and MVS. Older issues, including published code, are available for free download.
- mvshelp.com - http://www.mvshelp.com/
Help Boards and Interview Q&A provide moderated technical questions and answers in forums divided along subject lines.
- MVS/ESA IBM Manuals - http://www.ibm.com/servers/s390/os390/bkserv/mvs.html
On-line access to manuals covering all components of MVS/ESA. Requires no special reader, though it does simulate IBM BookManager.
- OS/390 Internet Library - http://www.ibm.com/servers/s390/os390/bkserv/
On-line access to manuals covering all components of OS/390. Needs no special reader, though it does simulate IBM BookManager.
- Rizzuto IT - http://www.rizzuto.it
Books, education, technical reports, freeware and links of interest to those who support z/OS.
- IBM z/OS and OS/390 Expo - http://www.ibm.com/services/learning/conf/us/os390
The next IBM z/OS and OS/390 annual technical conference. Focusing first and foremost on performance issues, 4.5 days.
- z/OS IBM Manuals - http://www.ibm.com/servers/eserver/zseries/zos/bkserv
On-line access to manuals covering all components of z/OS. Requires no special reader, though it does simulate IBM BookManager.
- IMS - http://www.ibm.com/software/data/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.
- DB2 for z/OS and OS/390 - http://www.ibm.com/software/data/db2/os390
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).
- RACF - http://www.ibm.com/servers/eserver/zseries/zos/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.
- OSAM is Better than VSAM - http://www.ibm.com/support/techdocs/atsmastr.nsf/c0948df04618966285256721006ae65f/86256ac10042f493852569520051d994?OpenDocument
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.
- SimoTime - http://www.simotime.com
Provides z/OS-based mainframe application concepts, techniques and examples, with special emphasis on integration with the Internet. Hosted by a California consulting firm.
- IMS Glossary of Terms and Acronyms - http://www.ibm.com/software/data/ims/shelf/glossary.htm
Common technical terminology used to describe concepts within IMS/TM and IMS/DB. From IBM.
- OS/360 Obituary - http://ldworen.net/fun/os360obit.html
On August 9, 1972, D.A. Jardine wrote this humorous obituary for Operating System/360 (OS/360), the original ancestor of z/OS.
- Bill's Big Iron Page - http://www.members.tripod.com/~billlalonde
Both links and original material covering common programming problems in the z/OS environment. By Canadian Bill Lalonde.
- Testing z/OS - http://www.research.ibm.com/journal/sj/411/loveland.html
An IBM Systems Journal article describing how the z/OS development team tested the operating system. Discusses verification methodologies, and test technologies and techniques.
- Vanguard Enterprise Security Expo - http://www.go2vanguard.com/expo
Annual security conference intended for organizations using RACF, but covering non-mainframe-specific topics, such as smart cards and digital certificates.
- UNIX System Services - http://www.ibm.com/servers/eserver/zseries/zos/unix
IBM resources for the full UNIX implementation built into z/OS.
- z/OS Elements and Features - http://www.ibm.com/servers/eserver/zseries/zos/zos_elefeat.html
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.
- LE: Language Environment - http://www.ibm.com/servers/eserver/zseries/zos/le
The IBM common run-time environment for popular programming languages.
- z/OS Security - http://www.ibm.com/servers/eserver/zseries/zos/security
IBM security features with and products for z/OS.
- z/OS.e - http://www.ibm.com/servers/eserver/zseries/zose
A specially priced offering of z/OS providing select z/OS function for the zSeries 800.
- Watson & Walker - http://www.watsonwalker.com
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.
- DB2 Update Journal - http://www.xephon.com/index/updates/DB2u.html
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.
- North Carolina State University: z/OS - http://www.acs.ncsu.edu/MVSsystems
The NCSU Administrative Computing Services mainframe overview, with detailed ISPF, IOF and ftp usage instructions.
- Clemson University: z/OS Documentation - http://dcit.clemson.edu/sig/docs/os390/os390.html
Detailed step-by-step information on using mainframe utilities and other commonly-used software, including SAS.
- SDSF and ISPF Quick Reference Guides - http://www.epa.gov/safewater/sdwisfed/qrg.html
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).
- z/OS-related Web Resources - http://www.s390er.com
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.
- MVS Forums - http://www.mvsforums.com
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.
- OSdata.com on MVS - http://www.osdata.com/oses/mvs.htm
A Web site that looks at operating systems, takes a look at MVS, now officially known as z/OS.
- Wikipedia OS/360 Encylopedia Entry - http://www.wikipedia.org/wiki/OS/360
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.
- MVS Systems Programming: The Book - http://www.mvsbook.fsnet.co.uk/
Focused mainly on the 1993 book by David Elder-Vass, an abridged version of which is featured on the site.
- TSO Times - http://www.TSOTimes.com
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.
- Northwest Regional Data Center: Technical Support - http://www.nwrdc.fsu.edu/index_support.html
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.
- CICS VSAM Programming - http://www.nwrdc.fsu.edu/index_support_cics_progguide_vsam.html
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.
- SDSF: System Display and Search Facility - http://www.ibm.com/servers/eserver/zseries/zos/sdsf/
IBM software to view and control the JES2 queues, running batch jobs, started tasks, and on-line TSO users.
- StorageTek: z/OS Support Commitment - http://www.support.storagetek.com/GlobalNavigation/Support/NewsAndUpdates/OS390/OS390Index.htm
StorageTek's policy statement detailing their products' support for IBM mainframes and their operating systems.
- z/OS Hot Topics Newsletters - http://www.ibm.com/servers/s390/os390/bkserv/hot_topics.html
Published twice annually by IBM for z/OS Systems Programmers, with one to five page technical articles. Available on-line in PDF format.
- z/OS, OS/390 and MVS End of Support Dates - http://www.ibm.com/servers/eserver/zseries/zos/support/zos_eos_dates.html
Announcement, general availability, marketing withdrawal and end of support dates and program numbers for z/OS, OS/390 and MVS/ESA.
- PeopleSoft on the Mainframe - http://www.db-consulting.com/links.htm
Performance tips for PeopleSoft running on z/OS DB2. From consulting firm DataBase Consulting Services (DBCS).
- z/OS Information Wizardry - http://www.ibm.com/servers/eserver/zseries/zos/wizards/
Web-based wizards for infrequent z/OS Systems Programming tasks.
- MVS by Thierry Falissard - http://www.os390-mvs.freesurf.fr/mvs.htm
Favourite links of a man with a passion for MVS (now z/OS), including many to original material on his own OS/390-MVS Cyber Mall site.
- VSAM Support in TSO, ISPF and REXX - http://gsf-soft.com/Documents/TSOVSAM.shtml
Explains how to use VSAM in TSO, ISPF and REXX. Part of Gilbert Saint-Flour's mainframe Web site.
- DOCWEB: The CNS Documentation System - http://docweb.nerdc.ufl.edu/cgi-bin/docweb
Instruction manuals, Frequently-Asked Questions (FAQs) and News for students and other users of the mostly-mainframe University of Florida (UF)Computing and Networking Services (CNS).
- UnXMIT Information Exchange - http://www.planetmvs.com/unxmit/
Details on how to write a program for operating systems other than z/OS that will read a z/OS Partitioned DataSet (PDS, also known as a Library) that been sent with TSO's TRANSMIT (XMIT) command.
- DFSORT/MVS - http://www.ibm.com/servers/storage/support/software/sort/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.
- DFSMShsm - http://www.ibm.com/server/storage/software/sms/hsm/
Originally the Hierarchical Storage Manager (hsm), now "a functional component of DFSMS that provides facilities for managing storage devices" (IBM).
- DFSMS - http://www.ibm.com/servers/storage/software/sms/
The storage management components of z/OS, including DFSMSdfp, DFSMSdss, DFSMShsm and DFSMSrmm.
- MVS SHARE Project - http://www.share.org/Volunteer_Center/programs/mvs_project.cfm
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.
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