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Differences between z/VM REXX and TSO REXX


IBM Mainframe Forums -> CLIST & REXX
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kalyan.v

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Joined: 04 Feb 2008
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PostPosted: Sun Oct 12, 2014 1:58 pm
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Hi,

Could you please let me know what are the major differences between REXX on TSO environment and REXX on Z/VM environment.

Also could you please provide any document contains these differences and specific zVM REXX concepts.

Thanks,
Kalyan.
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Bill Woodger

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Joined: 09 Mar 2011
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PostPosted: Sun Oct 12, 2014 2:48 pm
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In here, in the Reference, you will find concepts.

Rexx was first on VM/CMS. There's lots of rexx stuff "out there". What is the particular problem you are encountering?
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kalyan.v

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PostPosted: Sun Oct 12, 2014 3:06 pm
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Thanks Bill,

Actually i know TSO REXX and i have to work on z/VM REXX. So i want to know how zVM REXX concepts will be different than TSO REXX.

Appreciate your help if i get the differences in these two.

Thanks,
Kranthi
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Bill Woodger

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PostPosted: Sun Oct 12, 2014 4:04 pm
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I don't think it's in the rexx itself that you'll find so many differences, but in the "environments" that you "address" for instance, and in the file structures - the non-rexx stuff that you are used to using in rexx on z/OS.

If you are using CMS (which I assume you are) you'll find the XEDIT editor much more powerful, don't limit yourself to what you know, type help and get reading.

The rexx itself on VM/CMS is rexx, much as the z/OS variety. That won't be your learning curve. Start with those VM rexx manuals in the link. Look for example execs/macros at your site. Just get to grip with "address CP", "address CMS" and the minidisk file-structures (and look up in a manual what the filetypes mean, the numeric part).
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kalyan.v

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PostPosted: Mon Oct 27, 2014 10:35 am
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Hi Bill,

These manuals which you gave are really helpful. Thanks for that.

I want to learn how we can trigger REXX execs with console commands, messages, external interrupts. Please let me know if we have any manuals with such examples.

Thanks,
Kalyan
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