Answer / ajay kumar ande

procedure:
1. take 4 seq. files,read two files
2.if rec1(key1)=rec2(key2)
write record3
else
write record4

or using jcl
pgm=iebcmpr
sysut1 dd dsn=dataset1
sysut2 dd dsn=dataset2
sysin dd *
compare typorg=ps/po

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What is 77 level used for ?

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How can you declare the file ?

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where will we code call by content and call by reference dude pls reply soon ?

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