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Re: [open-cobol-list] JCL (Was: Hi all)
From: |
J. Leslie Turriff |
Subject: |
Re: [open-cobol-list] JCL (Was: Hi all) |
Date: |
Thu, 30 Jul 2015 04:54:25 -0500 |
User-agent: |
KMail/1.9.10 |
JCL (Job Control Language) is a sort of scripting tool for running jobs
in
the batch-oriented z/OS and z/VSE operating systems. I don't believe there
are any other OSes that use such a concept (the only others I've seen were on
NCR's Century and Criterion OSes).
z/OS and z/VSE applications are typically designed as series of
relatively
simple programs that are sort of 'pipe'd together with JCL, which defines the
files that each program step uses and controls the sequence of steps
depending on the return codes produced by each program.
Another IBM operating system, z/VM CMS, uses a scripting language
called Rexx
to do this; Rexx is more like bash.
Unless he works on one off IBM's z/OS or z/VSE systems, Martin will not
need
to know JCL.
Leslie
On Sunday 26 July 2015 20:08:43 Patrick wrote:
> On 07/26/2015 08:36 PM, Kevin Monceaux wrote:
> > On Sun, Jul 26, 2015 at 07:24:26PM -0400, Patrick wrote:
> >> I asked about JCL once and the basic answer was DON'T. It appears to be
> >> a language that was used to make up for shortcomings in OS that don't
> >> exist now.
> >
> > Really? I work as an IBM mainframe operator and JCL is still used under
> > z/OS today, not to mention z/VSE.
>
> Hi Kevin
>
> Martin should not take my word for it, I only asked because I know so
> little about JCL.
>
> Would it be good for Martin to learn?
>
> -Patrick
>
>
>
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--
A Caution to Everybody
Consider the Auk;
Becoming extinct because he forgot how to fly, and could only walk.
Consider man, who may well become extinct
Because he forgot how to walk and learned how to fly before he thinked.
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- [open-cobol-list] Hi all, Martin Lindkvist, 2015/07/26
- Re: [open-cobol-list] Hi all, Patrick, 2015/07/26
- Re: [open-cobol-list] JCL (Was: Hi all), Kevin Monceaux, 2015/07/26
- Re: [open-cobol-list] JCL (Was: Hi all), Patrick, 2015/07/26
- Re: [open-cobol-list] JCL (Was: Hi all), Kevin Monceaux, 2015/07/26
- Re: [open-cobol-list] JCL (Was: Hi all), John Culleton, 2015/07/28
- Re: [open-cobol-list] JCL (Was: Hi all),
J. Leslie Turriff <=
- Re: [open-cobol-list] JCL (Was: Hi all), David Lee Lambert, 2015/07/30
- Re: [open-cobol-list] JCL (Was: Hi all), Brian Tiffin, 2015/07/30
- Re: [open-cobol-list] JCL (Was: Hi all), Martin Lindkvist, 2015/07/31
- Re: [open-cobol-list] JCL (Was: Hi all), J. Leslie Turriff, 2015/07/31
- Message not available
- Re: [open-cobol-list] JCL (Was: Hi all), address@hidden, 2015/07/31
- Re: [open-cobol-list] JCL (Was: Hi all), J. Leslie Turriff, 2015/07/31
- Re: [open-cobol-list] JCL (Was: Hi all), Dave Stratford, 2015/07/30
- Re: [open-cobol-list] JCL (Was: Hi all), Michael, 2015/07/30
- Re: [open-cobol-list] JCL (Was: Hi all), J. Leslie Turriff, 2015/07/31
- Re: [open-cobol-list] JCL (Was: Hi all), Kevin Monceaux, 2015/07/31