I found this in RACF Security Server General User's Guide (z/VM 5.3). Section 3.5
If you do not want the command output to be displayed to your terminal, enter the CMS command: globalv select $racgrp set $rac_ispf y If you do not want subsequent commands to overwrite the RACF DATA file, you can append the file (send the output you enter from all RACF commands you enter to the file) by entering the CMS command: globalv select $racgrp set $rac_apn y If you choose to have your output appended, the output is not displayed to your terminal. The RACF DATA file defaults to your disk or directory accessed as A unless specified otherwise by your installation. If you cannot find the file on your disk or directory accessed as A, check your other disks or directories. If you would like to have the output placed on your disk or directory accessed as B, enter the CMS command: globalv select $racgrp set $rac_fle b William Boyer Sr. Technical Support Specialist. x8419 From: The IBM z/VM Operating System [mailto:ib...@listserv.uark.edu] On Behalf Of Changer Sent: Thursday, April 30, 2009 5:44 AM To: IBMVM@LISTSERV.UARK.EDU Subject: Questions on issuing RACF LU command Hi all, Issue 'RACF LU user' command will create RACF DATA file on 191 A disk by default. Is there any way to perform the command but would not generate RACF DATA file or create RACF DATA file on other disk (B , C ... or temporary disk) not 191 A disk? Thank you very much. Regards, Changer