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General Mainframe Sites

• Mainframes.com
• IBM Strategy – Analyst Reports on IBM Hardware
• Software and Product Releases
• Master of the Mainframe – Computer World Article
• IBM Software A-Z
• Introduction to Mainframe – Hardware Focus
• Mainframe Links
• The Revenge of the Mainframe – from Computing Japan
• The History of the Mainframe – from Viking Waters
• Introduction to Mainframes – the History of Computing Project
• MVS Mainframe Newsgroups & Forums

Mainframe & Legacy Systems Link-lists & Directories

• Mainframe Links – from OS390-MVS
• Mainframe Links from DV Trendswest
• IBM Mainframe Links
• Mainframe Links from Clube Cobol
• Useful Mainframe Links from SCP Solutions
• Mainframe Links @ Davar Web Site
• Legacy, Mainframe Links from CBT Tape
• IBM Mainframe Links from Jim Fenner
• Mainframe Links from Mainframe-Upgrade
• Mainframe Links from Dircon, UK

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Mainframes Programming & Development

• Mainframe Programming Resources
• IBM Mainframes Forum
• IBM Mainframe Directory at Open Directory
• Mainframe Programming
• Mainframe Systems Directory

Assembler Language

• Assembler Language Reference from IBM
• The 80x86 Assembler Language
• Assembler from Wikipedia
• Open Directory Listing for Assembly Languages
• Assembly Language 370 Site Listing from Open Directory
• Art of Assembly Language Programming & HLA
• Assembly Language from Webopedia
• Managing z/OS and Linux Mainframes – Sysprog.net
• Assembler Language Definition from Whatis.com
• Assembler is Not for Dummies
• OS/390 Assembly Language Programming Training Kit
• High Level Assembler
• The Assembler Connection – Mainframe Assembler
• High Level Assembler
• S/390 Assembler FAQ
• Introduction to Assembly Language

HLASM

• Dave’s Unofficial HLASM Site
• IBM – HLASM & Toolkit Feature
• Yahoo Groups for HLASM
• High Level Assembly Programming Language – Linux Journal

COBOL

• Cobol Programming – Tutorials, Lectures, Exercises
• The COBOL Centre from InfoGoal
• COBOL Portal
• About Legacy Coding
• Flexus COBOL Tools Page
• COBOL from Wikipedia
• The COBOL Programming Language Information
• IBM COBOL Family
• COBOL Directory from Open Directory
• Argentine COBOL Web Page
• COBUG – COBOL User Groups
• COBOL Report
• Kasten COBOL Page – Coding Styles & Techniques
• COBOL Consortium - Japan
• Object Oriented COBOL – OO COBOL
• COBOL for GCC – A GNU Project
• COBOL – Definition & More from Answers.com
• Fujitsu COBOL & Web Services (PDF)
• DBMaker, the COBOL RDBMS
• COBOL Directory in Yahoo
• The History of Computer Programming Languages
• COBOL .NET Programming
• LegacyJ COBOL Compiler
• Mainframe COBOL Programmer Help
• Programming COBOL for AS/400 (in French)
• COBOL for VSE/ESA
• Restructuring of COBOL/CICS Legacy Systems
• COBOL Technology & Contemporary Business Systems (PDF)
• Obtaining a COBOL Grammar from Legacy Code for Re-engineering Purposes
• The COBOL Center
• Directory of COBOL Software Tools
• The American Programmer – Information about Programming Languages

PL/1

• PL/1 from Wikipedia
• PL/1 Programming Language Info from University of Michigan
• PL/1 Frequently Asked Questions – from FAQs.org
• IBM PL/I Family
• PL/I Language Details & Syntax Information
• Some PL/I Hints from Michael Christensen

FORTRAN

• The Fortran Company
• Notes on FORTRAN Programming – from iBiblio
• FORTRAN FAQ from FAQs.org
• FORTRAN Resources – from Lahey

EASYTRIEVE Plus

• EASYTRIEVE Plus Application Guide from MVS Forums (PDF)
• EASYTrieve Plus Info from SysEd (PDF)
• Easytrieve Plus Resources @ NWRDC
• Easytrieve Plus .com

REXX

• IBM REXX Family
• The REXX Language Association
• Rexx FAQ
• Regina – Cross Platform Rexx Interpreter
• Rex Swain’s Rexx Summary
• REXX from Wikipedia
• REXX Tutorial from Kilowatt Software
• Dave’s REXX Anywhere – Rexx Execs
• REXX for PALM OS
• Open Object REXX
• Using REXX for Easy Desktop Linux Scripting

C

• Evolution of C – from Faqs.org

SAS

• The SAS System

JCL (Job Control Language)

• Job Control Language Introduction – from Oklahoma State University
• Job Control Language Standard for MVS & JES2 – from University of California, Santa Barbara
• JCL – from Wikipedia

RPG (Report Program Generator)

• Open Directory Listing for RPG
• RPG Programming Language - Wikipedia
• RPG Programming for the Next Generation
• RPG Programming Info from Answers.com
• RPG Alive – Development Tool for RPG/400, ILE RPG, CL, DDS Applications
• RPG Programming Tips & Tricks from Tech Target
• Using RPG As Your ASP Language – Part 1 (Part 2)

Tandem Access Language

• Programming Languages Table

Screen COBOL (SCOBOL)

• Tandem COBOL 85 & TAL
• SCobol Resources from Megamaul

Legacy Operating Systems > Midrange

• Pacific Midrange Systems Association
• IBM Midrange Systems – eServer i5 & i Series
• Metro Midrange Systems Association
• MC Press Online
• Madison Area Midrange Systems User Group
• Midrange Systems Technical Discussions
• Midrange Systems Integration
• Hartford Users Midrange Systems Group
• Midrange.com
• z/OS Newsletter from Mainstar

OS/400

• Open Directory Listing of AS/400 User Groups (AS/400 & OS/400 listings at Open Directory)
• AS/400 iSeries Resources – in Spanish
• AS/400 Security World
• AS/400 Journal
• Introductory Reference to the IBM AS/400
• AS/400 Forums at Experts Exchange
• Powering Up the Enterprise – AS/400 is Again on the Midrange Server Map
• iSeries & AS/400 Conference – the AS/400 Connection
• iSeries, AS/400 FAQ
• iSeries, AS/400 Network
• AS/400 Programmierung – in German and English
• AS/400 Partitioning for Domino Servers
• iSeries & AS/400 Details from Wikipedia
• AS/400 Information from Answers.com
• iSeries e-business User Group
• IBM Midrange Servers
• iSeries Network
• OS/400
• OS/400 from Open Directory
• Search 400 at Techtarget
• iSeries 365
• iSeries Info from Netherlands

VMS

• VMS - Info about the VMS Operating System

Mainframe Operating Systems

MVS

• MVS
• MVS, S/390 Links
• Loriaux.com
• MVS Performance - Making MVS Applications Run Faster ( PDF format) – Part I, Part II, Part III
• MVS Databases - Oracle for MVS
• MVS Groups and Forums - MVS Forums
• OS 390 and MVS Yahoogroup
• Middleware and Integration Software - WebSphere Advisor
• MVS Help
• MVS Tools & Tricks – Thoughts about Assembler Macros (PDF)
• MVS Information from Vintage OS

MVS > OS/390

• S390 Page from IBM
• Linux for S/390
• OS/390 Integration Info
• S/390 and Other Computer Links

MVS  > OS/390 > z/OS

• Z/OS – IBM Page on z/OS, z/OS from Wikipedia
• Open Directory Listing for z/OS
• Managing z/OS and Linux Mainframes
• z/OS Information from Answers.com
• A Few z/OS Tools & Toys
• Yahoo Group for z390
• z/VM Listing from Open Directory
• z/OS Listing from Open Directory

Aix

• IBM Aix
• Aix FAQ

SVS (Single Virtual Storage) – Precursor of MVS

• Batch Systems for Large Computers
• MVS – A Long History
• Multiple Virtual Storage Info from Kopete

ALCS

• Host Transaction Processing – ALCS – from IBM
• ALCS Transaction Monitor – from Wikipedia

IBSYS

• IBM 7090/94 IBSYS Operating System Info - Frobenius
• IBSYS Operating Systems Info from OS Data
• IBSYS from Wikipedia

DPPX – Distributed Processing Programming Executive

• DPPX from Wikipedia

VSE

• Mainframe VM & VSE Space
• Open Directory z/VSE Page

• z/VSE

• IBM z/VSE Page
• z/VSE Light Reading Material – z Journal (PDF)
• z-VSE from Open Directory

VSE > VSE/ESA

• IBM VSE/ESA Home page
• The Hercules System 370, ESA/390 and the z/Architecture Emulator
• Ode to VSE/ESA – Jim Keohane

VM/ESA

• VM ESA – z/VM Operating System
• VM/ESA Performance Tips
• IBM VM Operating System Home Page 

VM/CMS

• IBM Zvm Operating System
• VM/CMS from Wikipedia
• VM/CMS from Answers.com
• VM/CMS Definition from eLook
• REXX Compiler for VM/CMS – from IBM

z/VM

• z/VM IBM Page
• Linux Performance on z/VM
• z/VM from Open Directory

TOS – IBM Tape Operating System

• IBM Tape Operating System – from Wikipedia

OS/360

• OS/360 Information from Wikipedia
• MVS – a Long History…OS/360

TPF

• TPF – IBM TPF Page

• z/TPF

• z/TPF from IBM

Mainframe Databases

Mainframe Databases

• Downsides of Using Mainframe Databases
• The Graying of the Mainframe IMS & CICS DBAs
• Hardware & Software Solutions for Mainframe Database Recovery

DB2

• DB2 Product Family - IBM
• DB2 Users Group
• DB2 System Performance Metrics
• DB2 Magazine
• Database Trends and Applications
• IBM DB2 and IMS Tools
• DB2 Articles and Analyses
• Technical Papers about DB2
• The Pipelines
• DB2 Tuning for OLTP Applications
• DB2 from Wikipedia
• DB2 from About.com
• DB2 Section at Database Journal
• Newsgroup: comp.databases.ibm-db2
• DB2 Basics
• UK DB2 User Group
• DB2 from DBA Zine
• PHP Database Programming from DB2
• DB2 Pipeline – Tips, Archives & Links
• Open Directory Listing for DB2
• DB2 FAQ for DBAs & System Programmers
• DB2 for OS/390 Links
• Why DB2 is Better than VSAM – from Tech Target New

IMS DB/DC

• IBM Mainframe Forum – IMS DB/DC
• IMS and z/OS

Unidata

• UniData Product Overview from IBM
• Piktec Inc – Unidata Universe jBase Consulting
• UNIX and Unidata – Book Table of Contents
• Unidata Info from Pick Trg
• Multivalue Overview
• Multi-value Database Licenses & Utilities from Pickware
• Overview of Unidata & PRIMAC
• Unidata Database ODBC Setup (PDF)
• IBM UniData Download from Download Database
• Database Resources from Unifx
• Java Driver for Unidata - FAQ
• Open Directory Listing for Pick and Multi-value Databases
• Multi Value Databases
• What are Multi-value Databases?
• Maverick DBDM – Multivalue Database Management System
• Multi-value Lacks Value - DBAZine

VSAM

• VSAM Info from Mainframes.com
• DB2 or VSAM? A DBA Zine Article
• VSAM Information from Webopedia
• VSAM Definition & More from Answers.com
• Some Useful VSAM Questions and Answers
• VSAM Support in TSO, ISPF, REXX and CLIST
• VSAM from Wikipedia
• Virtual Storage Access Method (VSAM) Tutorial
• VSAM Tuning into the 90’s
• The VSAM QSAM Connection
• DB2 or VSAM? - DBAZine
• Getting the Most out of your VSAM Data (PDF)

CA/IDMS

• CA/IDMS from Computer Associates Web Site
• CA/IDMS Definition from PC Mag

Mainframe Transaction Processing

Mainframe Transaction Processing

• Transaction Processing Performance Council
• Transaction Processing Concepts & Techniques – from Microsoft
• IBM – Transaction Processing Facility Overview
• Nuts & Bolts of Transaction Processing
• Transaction Processing Monitor Technology
• Databases Move to Deliver Transaction Processing
• Sun Mainframe Transaction Processing Software (PDF)
• Transaction Processing – Think Big Picture
• TP Middleware Keeping up with Mainframe Revival
• Unlocking the Mainframe

Transaction Monitors

• IBM CICS & Transaction Server News
• Transaction Servers Article from Computer World
• Databases & Transaction Monitors – The IT Security Cookbook
• Workflow Engines will be Transaction Monitors of the Next Century (PDF)
• Object Transaction Monitors (OTM) – ORBs for the Enterprise?
• Tooling Up for Components
• Conception of Information Systems – Transaction Monitors (PDF)
• Transactional Authority Markup Language (XAML)
• Transaction Processing Monitors – Communications of the ACM

Transaction Monitors > CICS

• Follow the Yelavich Road
• IBM CICS Page
• CICS Tools
• Host Transaction Processing – HTP Overview
• Mainframe Programming
• IBM eServer zSeries Mainframe Servers
• IBM Midrange Servers
• MVS Forums
• CNS CICS Reference Manuals
• CICS TS for Z/OS
• Transaction Processing Monitor Technology
• CICS Section at Mainframes.com
• CICS from Wikipedia
• CICS Central
• CICS Middleware Links
• CICS – The Old Workhorse Keeps on Kicking
• Why CICS at WebSphere Journal
• IBM CICS Legacy at the Heart of SOA
• The Evolution of CICS – Yelavich.com

Legacy Hardware

Mainframes & Legacy Hardware – General Resources

• IBM Mainframe Hardware Listing from Open Directory
• Mainframe Hardware Info from The History of Computing Project
• IBM & Compatible Mainframe Specifications – from Tech News

S/390

• S/390 Hardware Resources from Loriaux
• Linux on S/390 Hardware – from AnyTux
• S/390 Hardware Preparation for Installation - RedHat

zSeries

• IBM eServer zSeries Hardware Resources
• zSeries Hardware Reliability – from Clueful, UK (PDF)

IBM 360

• Computer History – IBM 360, 370, 390, 3090 – Beagle Ears
• IBM 360 Family from History of Computing Project
• System 360 from Wikipedia
• Lawrence Wilkinson’s IBM 360/30 Saga

Midrange Hardware

AS/400

• iSeries Hardware Info from IBM
• AS/400 Hardware Links from Dmoz
• AS/400 Hardware Resources from iSeries Network Forums
• AS/400 from Wikipedia
• AS/400 Hardware Breakthrough Raises Bar
• AS/400 Hardware User Groups from Dmoz

RS/6000

• IBM RS/6000 Products & Services
• Donohue’s RS/6000 Page
• RS/6000 Information from Wikipedia

VAX

• VAX Hardware Reference – from NetBsd
• The VAX History – from Web Mythology
• DEC – VAX Hardware Reference from Pimpworks

Legacy & Mainframe Companies

• Unisys
• Digital – Digital Equipment Corporation information from Wikipedia
• Bull – Groupe Bull
• ICL – ICL – A History in the Headlines, from VNU Net
• IBM
• Data General – Data General Information from Wikipedia
• Tandem – Tandem Computers Information from Wikipedia
• Hitachi – Hitachi Mainframe Storage Solutions from Hitachi Data Systems, Hitachi Shrinks Mainframe Line - Computerworld
• Amdahl – Amdahl Gives Up on Mainframe Business, Amdahl Corporation – from Wikipedia
• Comparex – Computer Archive, Germany
• Olivetti – Olivetti Home Page
• Cray – Cray the Supercomputer Company
• Siemens/Nixdorf – Siemens Home Page, Siemens Nixdorf Info from Wikipedia
• Fujitsu – Fujitsu Mainframe Server Homepage, Fujitsu Readies Linux Mainframe – from Linux Planet
• NEC - NEC America Introduces New Mainframe Line
• Profile of Major Mainframe Hardware Suppliers – an Old 1993 Report

Mainframes & Non-mainframes

Mainframes & Contemporary Operating Systems

Mainframes & Linux

• Linux on Mainframes Enters Phase 2 - CNET
• Linux on the Mainframe – from Mainframes.com
• Linux on zSeries – from IBM
• Linux on the IBM ESA/390 Mainframe Architecture

Mainframes & Unix

• Mainframe to Unix/Linux Conversion Library

Mainframes & Windows

• Amdahl Links its Mainframes to Windows NT
• Microsoft Wants Mainframe to Run Windows - ZDNet

Mainframe Migration

• Mainframe Migration Alliance
• Mainframe Migration Article – from Windows in Financial Services Site

Mainframes & Networking

Mainframes & Local Area Networking

• Mainframes & Networking – from Loriaux

Mainframes & Client/Server

• Mainframe Server Software Architecture – from Carnegie Mellon University
• Integrating Heterogeneous Clients with Mainframes – from Microsoft Windows 2000 Resource Kit
• Client/Server Computing Architecture – the Pendulum Swings Again – from Washington Technology

Mainframe & Contemporary Programming

Mainframes & Java

• IBM Dedicates Java Module on Mainframes – ZD Net
• Unisys Brings Open Source Java to Mainframes – from Open Enterprise Trends

Mainframe & OOP

• Object Oriented COBOL – from Find Articles
• Object Oriented COBOL – from Baseline Mag

Mainframes & Contemporary Databases

Mainframes & Oracle

• Oracle for z/OS Mainframes

Mainframes & SQL Server

• Unisys ES7000 SQL Server Resources

Mainframes & MySQL

• MySQL Puts Open Source Database on Mainframes – InfoWorld

Mainframes & Security

Mainframes & Security

• Secure Your Mainframes Too – from Network World
• Mainframe Security Resources from Sysprog.net
• Mainframe Security – Good Enough for the 21^st Century – from ASPG.com (PDF)
• Mainframe Virtual Security – White Paper from BDC Computer Services (PDF)

Reference

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