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NetBSD 6.1.5 - man page for ipcrm (netbsd section 1)

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 creation 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.

     If the id or key argument is ``all'' then all entries of the appropriate type are removed.

     The identifiers and keys associated with these System V IPC objects can be determined by
     using ipcs(1).

SEE ALSO
     ipcs(1), shmat(2), shmctl(2), shmdt(2), shmget(2)

BSD					   May 31, 2008 				      BSD


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