IPCRM(1) IPCRM(1) ipcrm - IPC ipcrm [] ipcrm [shm|msg|sem] ID ... ipcrm (IPC) POSIX System V . (superuser) . IPC POSIX System V : . ( IPC ). (shmdt(2)) . . IPC . SUS ( ). ( '0x' '0X') ( '0'). shmctl(2) shm_unlink(3) msgctl(2) mq_unlink(3) semctl(2) sem_unlink(3). lsipc(1) ipcs(1). -a --all [shm] [pshm] [msg] [pmsg] [sem] [psem] . . ! -a . . -M --shmem-key shmkey shmkey . -m --shmem-id shmid shmid . --posix-shmem POSIX . -Q --queue-key msgkey msgkey. -q --queue-id - -. --posix-mqueue POSIX . -S --semaphore-key semkey semkey. -s --semaphore-id semid semid. --posix-semaphore POSIX . -v --verbose . -h --help . -V --version . ipcrm SYNOPSIS. *nix ipcrm ( ) . . ipcmk(1) ipcs(1) lsipc(1) msgctl(2) mq_unlink(3) msgget(2) semctl(2) semget(2) sem_unlink(3) shmctl(2) shmdt(2) shmget(2) shm_unlink(3) ftok(3) sysvipc(7) . ipcrm util-linux . util-linux 2.42.1 2026-05-18 IPCRM(1)