GBL_REGION

This parameter contains the global JCL REGION value.

Description: The required storage value in kilobytes (K) or in megabytes (M) for applicable batch jobs or started tasks. The jobs contain the REGION= parameter on the EXEC statement. Change this value as required by your installation.
Permissible values: Character string (maximum length 8) in format valueK or valueM. You must specify the K or M suffix (for example: 4096K, 0M).
Default value: 0M