Re: Eight-character TSO Userid Support One item that has not been mentioned. The 7 char TSO userid was so that when you submit batch jobs it automatically appended 1 char to make a unique jobname to execute. If your TSOID is 8 then and you submitted a batch job it would either have to have > 8 char jobname, same and you'd have to logoff for it to run, or something not associated w/ your userid which would require SDSF or 3rd party spool product RACF (SAF) rules to allow you to view it. If jobname becomes > 8 that impacts lots of SMF records, RACF(SAF) rules, and lets not forget the 80 character punch card limitation for those pushing for 24 char userids. I know some sites already use TSO batch job names w/o TSOID prefix, but these are still 8 char names that need to be unique.
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