ipcrm(1) BSD General Commands Manual ipcrm(1)
NAME
ipcrm -- remove the specified message queues, semaphore sets, and shared memory segments
SYNOPSIS
ipcrm [-M shmkey] [-m shmid] [-Q msgkey] [-q msqid] [-S semkey] [-s semid] ...
DESCRIPTION
Ipcrm removes the specified message queues, semaphores and shared memory segments. These System V IPC objects can be specified by their cre-
ation id or any associated key.
The following options are used to specify which IPC objects will be removed. Any number and combination of these options can be used:
-M shmkey
Mark the shared memory segment associated with key shmkey for removal. This marked segment will be destroyed after the last detach.
-m shmid
Mark the shared memory segment associated with id shmid for removal. This marked segment will be destroyed after the last detach.
-Q msgkey
Remove the message queue associated with key msgkey from the system.
-q msqid
Remove the message queue associated with the id msqid from the system.
-S semkey
Remove the semaphore set associated with key semkey from the system.
-s semid
Removes the semaphore set associated with id semid from the system.
The identifiers and keys associated with these System V IPC objects can be determined by using ipcs(1)
SEE ALSO
ipcs(1)
BSD
August 8, 1994 BSD
