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JOB and EXEC Statements
Introduction to DD statements and Data Formats
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7-track tape blocksize buffer card reader catalogued procedure continuation card control cards control program Data Control Block data file data set name DATAOUT DD DCB information DD card DD parameters DD statements ddname deallocation messages default defined deleted density disk data set disk pack DISP parameter EXEC card executed expiration date file number FORTRAN given header label INDATA DD input interblock gap JCL Errors JCL statements JOB card Job Control Language job step JOBLIB keyword LABEL parameter LABPRT magnetic tape number of characters operating system OSIRIS partitioned data set printer problem program PROCA program libraries record length SCRAT scratch space specified standard labelled tape stepname symbolic name system completion code tape drives Tape Mark tape number tape or disk temporary data set TM File tracks trailer label unblocked unit volume label volume serial number VTOC writing written Yes Yes Yes