Copyright 1989 AT&T
Copyright (c) 2004, Sun Microsystems, Inc. All Rights Reserved
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ipcrm [-z zone] [-m shmid] [-q msqid] [-s semid] [-M shmkey] [-Q msgkey] [-S semkey]
ipcrm removes one or more messages, semaphores, or shared memory identifiers.
The following option is supported:
-z zone
Keys specified by other options refer to facilities in the specified zone (see zones(5)). The default is the zone in which the command is executing. This option is only useful when the command is executed in the global zone.
The identifiers are specified by the following options:
-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.
-q msqid
Removes the message queue identifier msqid from the system and destroys the message queue and data structure associated with it.
-s semid
Removes the semaphore identifier semid from the system and destroys the set of semaphores 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.
-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.
-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.
The details of the removes are described in msgctl(2), shmctl(2), and semctl(2). Use the ipcs command to find the identifiers and keys.
See environ(5) for descriptions of the following environment variables that affect the execution of ipcrm: LANG, LC_ALL, LC_CTYPE, LC_MESSAGES, and NLSPATH.
See attributes(5) for descriptions of the following attributes:
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
| Interface Stability | Standard |
ipcs(1), msgctl(2), msgget(2), msgrcv(2), msgsnd(2), semctl(2), semget(2), semop(2), shmctl(2), shmget(2), shmop(2), attributes(5), environ(5), standards(5), zones(5)