I am told off-list that that is probably the main reason. Charles
-----Original Message----- From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU] On Behalf Of Lizette Koehler Sent: Thursday, September 15, 2016 10:33 AM To: IBM-MAIN@LISTSERV.UA.EDU Subject: Re: TSO User ID Rules (Was: z/OS and code pages) Did the reason for the 7 char TSO HLQ come from the UADS process needing the last char in the member name to chain the information for a given TSO ID in SYS1.UADS (think ACCOUNT Function)? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN