ipcs |awk '{if($6==0) printf "ipcrm shm %d/n",$2}' |sh; ipcs或者ipcs |awk '{if($6==0) printf "ipcrm shm "$2}' |sh; ipcs或者ipcs;ipcs -m | grep bernie | awk '{if($6==0) cmd="ipcrm shm "$2" >/dev/null"; system(cmd);}' ;ipcs
