Portal | Manuals | References | Downloads | Info | Programs | JCLs | Master the Mainframes
IBM Mainframe Computers Forums Index
 
Register
 
IBM Mainframe Computers Forums Index Mainframe: Search IBM Mainframe Forum: FAQ Memberlist Usergroups Profile Log in to check your private messages Log in
 

 

Why do we use DD dummy

 
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> DFSORT/ICETOOL
View previous topic :: :: View next topic  
Author Message
varsha

New User


Joined: 20 May 2005
Posts: 12
Location: bangalore

PostPosted: Mon May 23, 2005 2:34 pm    Post subject: Why do we use DD dummy
Reply with quote

Hi,

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

why do we use dd dummy?
Back to top
View user's profile Send private message

kanak

Moderator


Joined: 12 Mar 2005
Posts: 252
Location: India

PostPosted: Mon May 23, 2005 3:05 pm    Post subject:
Reply with quote

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.
Back to top
View user's profile Send private message
priya

Moderator


Joined: 24 Jul 2003
Posts: 568
Location: Bangalore

PostPosted: Mon May 23, 2005 10:12 pm    Post subject:
Reply with quote

Quote:
which utility is used to run a cobol+db2 program


Check http://ibmmainframes.com/jcls.php
Back to top
View user's profile Send private message
View previous topic :: :: View next topic  
Post new topic   Reply to topic    IBMMAINFRAMES.com Support Forums -> DFSORT/ICETOOL All times are GMT + 6 Hours
Page 1 of 1

 

Search our Forum:

Similar Topics
Topic Author Forum Replies Posted
No new posts DD DUMMY & CPU TIME Nileshkul Testing & Performance analysis 16 Mon Dec 19, 2016 11:35 pm
No new posts Sticky: difference between ... DUMMY ... and ... enrico-sorichetti JCL & VSAM 0 Mon Oct 17, 2016 4:31 pm
No new posts insert dummy record(Low values) to PS... useit DFSORT/ICETOOL 3 Wed Sep 24, 2014 4:20 pm
No new posts Generating an o/p file with dummy i/p... wiprov DFSORT/ICETOOL 2 Wed Sep 10, 2014 6:16 pm
No new posts Dummy a dataset while picking other c... hailashwin Mainframe Interview Questions 2 Thu Aug 21, 2014 1:54 pm


Facebook
Back to Top
 
Mainframe Wiki | Forum Rules | Bookmarks | Subscriptions | FAQ | Tutorials | Contact Us