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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 sys‐
	     tem.

     -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 sys‐
	     tem.

     -s semid
	     Removes the semaphore set associated with ID semid from the sys‐
	     tem.

     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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