Question about executing stacked commands in batch - CA7BTI / SASSTRLR

Document ID : KB000077120
Last Modified Date : 11/04/2018
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Introduction:
How often should a /LOGON be used when stacking multiple commands in batch jobs? In some samples we insert the /LOGON every fifth command and in others we sometimes enter several dozen commands between /LOGON
Instructions:
The program SASSTRLR (trailer step) is used to pass command(s) to CA 7 from a batch job or program.
There is a maximum of 13 CA 7 commands that can be process per /LOGON card.  You can add additional
logon cards as need for stacking purposes. 
Place a /LOGON card after the last command the stack when the number of commands exceeds 13.