ps -axl|grep "Z" Warning: bad syntax, perhaps a bogus '-'? See /usr/share/doc/procps-3.2.7/FAQ F UID PID PPID PRI NI VSZ RSS WCHAN STAT TTY TIME COMMAND 0 500 4746 4418 20 0 0 0 exit Z ? 0:00 [vmware-vmrc] <defunct> 0 500 5308 4418 20 0 0 0 exit Z ? 0:00 [vmware-vmrc] <defunct> 0 500 14968 12807 20 0 4076 756 - R+ pts/31 0:00 grep Z