ipcrm(1) User Commands ipcrm(1)
ipcrm - remove a message queue, semaphore set, or shared memory ID
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 iden-
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
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 struc-
ture 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 sema-
phores 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_MES-
SAGES, and NLSPATH.
See attributes(5) for descriptions of the following attributes:
tab() allbox; cw(2.750000i)| cw(2.750000i) lw(2.750000i)|
lw(2.750000i). ATTRIBUTE TYPEATTRIBUTE VALUE AvailabilitySUNWipc
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)
SunOS 5.10 9 Jan 2004 ipcrm(1)