On Fri, 2007-12-14 at 09:18 +1000, david walcroft wrote: > [root@reddwarf ~]# ps aux -columns 256 |grep cupsd > ERROR: Unknown user-defined format specifier "lumns". You should have had a double-dash in front of "columns". i.e. ps aux --columns 256 |grep cupsd -- [tim@bigblack ~]$ uname -ipr 2.6.23.1-10.fc7 i686 i386 Using FC 4, 5, 6 & 7, plus CentOS 5. Today, it's FC7. Don't send private replies to my address, the mailbox is ignored. I read messages from the public lists.