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Why do we use DD dummy
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varsha

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Joined: 20 May 2005
Posts: 12
Location: bangalore
PostPosted: Mon May 23, 2005 2:34 pm
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Hi,

which utility is used to run a cobol+db2 program?

why do we use dd dummy?
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kanak

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Joined: 12 Mar 2005
Posts: 252
Location: India
PostPosted: Mon May 23, 2005 3:05 pm
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dd dummy we use when we don't need that DD name,
but it will allocate space in primary memory and as soon as job is over that spaces is released.
Like a particular program as 5 file is input-output section, then among all the five i need only 3 then rest 2 we can dummy out.
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priya

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Joined: 24 Jul 2003
Posts: 568
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PostPosted: Mon May 23, 2005 10:12 pm
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Quote:
which utility is used to run a cobol+db2 program


Check ibmmainframes.com/jcls.php
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