ipcrm(1) General Commands Manual ipcrm(1)
Name
ipcrm - remove a message queue, semaphore set
Syntax
ipcrm [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 structure 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 message 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 Also
ipcs(1), msgctl(2), msgget(2), msgop(2), semctl(2), semget(2), semop(2), shmctl(2), shmget(2), shmop(2)
ipcrm(1)