Quoth "Gardner Pomper" <gardner at networknow.org>: | AIX does not seem to support the -o format syntax. That's odd - to me AIX does seem to support the -o format syntax, in both AIX 4.3 and AIX 5.2. $ ps -o pid,ppid,args PID PPID COMMAND 121904 169576 -ksh 131022 121904 ps -o pid,ppid,args Donn Cave, donn at drizzle.com