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 Related Questions The DD statement links the external dataset name (DSN) to the DDNAME coded within the executing program. It links the file names within the program code to the file names know to the MVS operating system. Latest Answer : Its the Data Definition (DD) statement It should not exceed 8 charactersIt is normally the identifier name which we give in the cobol program to identify the that the trailing DSN is for the particular DD name for eg:COMMLY ... REGION specifies the maximum CPU memory allocated for a particular job or job step. If REGION is in the JOB card, it relates to the entire job; if in the EXEC statement, it relates to the job step. Latest Answer : region is the keyword parameter used in job and exec statements annd it is for storage purpose region=2096128k default ... TIME specifies the maximum CPU time allocated for a particular job or job step. If TIME is in the JOB card, it relates to the entire job; if in the EXEC statement, it relates to the job step. Latest Answer : if time parameter is coded on both job and step, then the time coded on the EXEC statement over-rides the one on the job.[refererred on pg 88 of Mvs Jcl Primer]U might be interested to know this too.The COND parameter if coded on both job and step, ... Data definition name is the eight character designation after the // of the DD statement. It matches the internal name specified in the steps executing program. In COBOL that's the name specified Latest Answer : The DD name is the logical 8 characters file name which alllows the pplication program to identify or tag the dataset.Whereas the DSN is the physical file name used by the MVS to identify the dataset.like in any application program we can write ...in ... For an output file DUMMY specifies that the output is to be discarded. For input it specifies that the file is empty. Latest Answer : If u r not giving any input values using below control cardi.e. in the sysin dd * Then we r using this.When we r using this dummy o/s simulates the presence of this file.When u r reading a file o/s sends the end of file request ... Latest Answer : Use date parameter ... What is the advantage of coding RECFM=F over RECFM=FB.I know the concept that RECFM=FB is fast, easily accessable due to the fact that FEW (not 1 records) records are allocated to each BLOCK. Then who would like to specify RECFM=F? And why? Read Answers (1) | Asked by : vijaya What could be the disposition parameter that i would have to use in the jcl if i have a file that has to be created newly for every successful run of the program ,but at the same time it should retain the old data if my program abend in the middle and restarts. could you please provide me the code? Read Answers (5) | Asked by : vineeth What does a sysin in ICEMAN utility do? what does Sort fields=copy coded in the sysin mean?SCBSM10E EXEC PGM=ICEMAN //SYSOUT DD SYSOUT=V //SORTLIB DD DSN=SORT.SORTLIB,DISP=SHR //SORTIN DD DSN=&&CB10AWDS,DISP= (OLD,DELETE) //SORTOUT DD DSN=&&CB10ASRT,DISP= (,PASS),SPACE=(CYL,(2,1),RLSE), // UNIT=TEMP,DCB= (RECFM=FB,LRECL=90,BLKSIZE=0)//SORTWK01 DD UNIT=TEMP,SPACE= (CYL,3,,CONTIG) //SORTWK02 DD UNIT=TEMP,SPACE= (CYL,3,,CONTIG) //SORTWK03 DD UNIT=TEMP,SPACE= (CYL Read Answers (2) | Asked by : Lavanya Latest Answer : Sort it, dummying out SORTOUT ... Read Answers (6) | Asked by : Basu
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