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IBM JCL Tutorial Free IBM Tutorial on JCL
CAVEMEN Chicago Area VM (and Linux) Enthusiasts
IBM TV IBM Television (via YouTube)
Robert 'prino' Prins z/OS Tools and Utilities A growing collection of useful z/OS tools and utilities.
Walter Pachls REXX toolsl Some useful REXX Tools and examples
Eric Loriaux's Site Eric Loriaux Mainframe Website (System z - z/OS, z/VM, z/VSE, z/Linux and z/TPF)
Robin Murry's Rexx Home Check this site out - lots of neat things in REXX 
David Woolbright's Site David's excellent site with info on s/390
Album of Algorithms and
for Standard Rexx
Great site for REXX algorithms.
z/OS Newsletter IBMs z/OS Newsletter with an option to subscribe for updates.  
IBM SysProg Site The IBM zSeries Systems Programmer Portal
IBM Mainframes A site for IBM Mainframes by an Indian programmer.
TDSLink Free IP Tracing for OS/390 and z/OS
IBM Historical SIte The IBM Historical Site - Very Interesting

The only IBM User Group where you will find the answer to your questions, have the opportunity to attend classes(sessions), and interact with your peers.

This is the site where you can find the CBT Tape (actually the virtual tape). Several hundred files with source code for OS/390.
Mainframe Upgrade For those looking to maximize profits from their IBM Mainframe strategy, hardware, and software.
Dave Alcock's MVS Site Dave has an excellent web site with a lot of information about OS/390, REXX, E-mail, and more...
Mark Zelden's MVS Utilities Mark's site with a lot of very useful tools.
z/OS Sysprog ResourcesInteresting site by Phil Kingston
Mainframe Week Cool weekly web magazine from Xephon.
TRSMAIN IBM's file compression tool.
Linux for S/390 and zSeries THE site for information about Linux on the mainframe.
Mainframe Forum Web based discussions on mainframe issues and topics.
ISPF Toys For ISPF toys you can't find a better site than this one by Doug Nadel of ISPF Development.
System 390 Search Site

A new site for finding S/390 Information

Andy's OS/390 Page Andy Robertson's page with OS/390 utilities (including XMITMAIL)
IBM Redbooks Link to IBM Redbooks on the web.
Mainframe Tutorials IBM Mainframe Tutorials, Java Tutorials, Interview info
RACF Resources Useful resources and information on RACF


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