Got it after deciphering the helpfile a bit :) ACCOUNT /SUMMARY/REPORT=(BUFFERED_IO,DIRECT_IO,ELAPSED,EXECUTION,PROCESSOR,QIOS) sampsa <sampsa at mac.com> mobile +44 7961 149465 On 22 Dec 2013, at 19:13, Sampsa Laine <sampsa at mac.com> wrote: Back years ago I managed to get the ACCOUNT command to produce me a nice list of CPU time used, images executed and disk i/o performed per account, but can not for the life of me remember the syntax. Any of you gurus out there able to help? sampsa <sampsa at mac.com> mobile +44 7961 149465