There are at least two TSO control blocks that have a 7 char userid followed by a 1 byte length. I remember someone back in the MVT days that someone implemented a 8 char TSO userid. Might have been Stanford or SLAC?
UPTPREFX DS CL7 DSNAME PREFIX UPTPREFL DS BL1 LENGTH OF DSNAME PREFIX PSCBUSER DS CL7 USERID PADDED RIGHT WITH BLANKS PSCBUSRL DS CL1 LENGTH OF USERID ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
