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Use String function of cobol.

The only way you can do this by writing the cobol program. Where the frist record in file A should be compared with rest of the record in File B. if matching found then write the record to C after...

FB: The allocation of the memory units for Records takes in blocks. i.e you are externally telling the OS to store the records in blocks. where as F is nothing but Fixed records where the records...

Compiler error