shared memory

顯示系統目前的 shared memory
# ipcs -m

------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x0000162e 65536 root 666 27 0
0x00000000 98305 root 666 192 0
0x00001234 163843 root 666 192 0

刪除某ㄧ個特定的 shared memory key

# ipcrm -M 0x0000162e

原先的 shared memory 0x0000162e 已經被刪除了
# ipcs -m

------ Shared Memory Segments --------
key shmid owner perms bytes nattch status
0x00000000 98305 root 666 192 0
0x00001234 163843 root 666 192 0