Hi Tom, acorn$ sysctl -a | grep shm kern.sysv.shmmax: 4194304 kern.sysv.shmmin: 1 kern.sysv.shmmni: 32 kern.sysv.shmseg: 8 kern.sysv.shmall: 1024 acorn$ sudo ipcs -a Password: sudo: ipcs: command not found > Also, which OSX release is this again? 10.3.9 on a g4. Joe