What is 'mounting' of volumes ?
Is there anything that a programmer can do in it ?
How to find currently mounted volume ?
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what are the various stages of job processing?
Can we DELETE all the Generations of a GDG at once, WITHOUT deleting the GDG itself ?
Can a temporary dataset be converted to permanent dataset and vice-versa in the middle of a job ?
what is the meaning of 'sysin dd dummy'
which parameter is used to check the syntax of a jcl without executing it?
if in a job, region is mentioned in both jobcard and in step then which is cosidered at the step level? A job has region 4k in jobcard and step1 with region 0k and step2 with 16k, then what is the region allocated for the entire job? what is the region step1 takes? what is the region step2 takes?
Why we us SYSTSIN DD with IKJEFT01 (TSO Utility) to execute a COBOL DB2 program? Why can't we use SYSIN DD?
I have 2 steps in my exec statement , in first step I am creating a gdg, and the output of this step is going into second step as a input, and this second step is abended , now how could i approach in this case.
Can we use COND=EVEN on a job card, when jobs are scheduled through scheduler?
if we give TIME=0 how many sec that job/step
what are the types of abends that occur on job failure? And explain the possible causes of these
what is fixed length and variable length and difference between them