JCL SYSIN Statement
SYSIN card is used to send huge input data to the program using the JCL.
Data can be accepted in the program through ACCEPT statement.
One row in the SYSIN will be equal to one ACCEPT in the program.
/* This is known as delimiter and by using /* we can end the instream data.
Delimiter (/*) is mandatory with SYSIN.
Delimiter (/*) always starts at column1 and ends at column2.
One row of SYSIN DD* is equivalent to one accept statement.
If both PARM & SYSIN DD* in one JCL, the first preference is for PARM parameter and after SYSIN DD*.
SYSIN can be coded with DD * or DD DATA.
//SYSIN DD parameter... [comments]
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