ipcrm(1)ipcrm(1)Nameipcrm - remove a message queue, semaphore set
Syntaxipcrm [options]
Description
The command removes one or more specified messages, semaphores or
shared memory identifiers.
The details of the removes are described in and The identifiers and
keys may be found by
Options-q msqid Removes the message queue identifier msqid from the
system and destroys the message queue and data
structure associated with it.
-m shmid Removes the shared memory identifier shmid from the
system. The shared memory segment and data struc‐
ture associated with it are destroyed after the
last detach.
-s semid Removes the semaphore identifier semid from the
system and destroys the set of semaphores and data
structure associated with it.
-Q msgkey Removes the message queue identifier, created with
key msgkey, from the system and destroys the mes‐
sage queue and data structure associated with it.
-M shmkey Removes the shared memory identifier, created with
key shmkey, from the system. The shared memory
segment and data structure associated with it are
destroyed after the last detach.
-S semkey Removes the semaphore identifier, created with key
semkey, from the system and destroys the set of
semaphores and data structure associated with it.
See Alsoipcs(1), msgctl(2), msgget(2), msgop(2), semctl(2), semget(2),
semop(2), shmctl(2), shmget(2), shmop(2)ipcrm(1)