what is the default region size if I dont specify region
parametre in my job card ( I know that if I specify
region=0k or 0M, then the job will occupy all he available
resources at the time of job execution), but I want to know
the defult value for "region" paramatre.

Answer Posted / ashish puri

If the region size specified in the JCL is zero, the region
will be limited by the size of the private area.

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