Pat Pflaum wrote: > for i in `ipcs |egrep "0 * $" | cut -c 12-20`; do ipcrm -m $i; done > > To remove pesky unused shared memory, that worked for me. Thanks, Pat. More than one way to skin a /bin/cat ;-). ipcrm shm `ipcs -m | awk '$6 == "0" {print $2}'` WORKSFORME. There may be different version of "ipcrm" but mine (Debian testing) doesn't accept "-m". -- bjm