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Why do you use a control card?

Answer Posted / susmita

CONTROL CARDS are something that comes into play, where you
can't use sysin dd statement.. for example we can't use
sysin dd * in cataloged procedure. in this case you can
have your instream data under a pds-member and make the
sysin as

//sysin dd dsn=xyz.abc.pos(mem),disp=shr

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