ipcrm

ipcrm [options ]

Remove a message queue, semaphore set, or shared memory identifier as specified by the options . ipcrm is useful for freeing shared memory left behind by programs that failed to deallocate the space. Use ipcs first to list items to remove.

Options

-m shmid

Remove shared memory identifier shmid .

-M shmkey

Remove shmid created with key shmkey .

-q msqid

Remove message queue identifier msqid .

-Q msgkey

Remove msqid created with key msgkey .

-s semid

Remove semaphore identifier semid .

-S semkey

Remove semid created with key semkey .