ipcrm(1)							      ipcrm(1)

Name
       ipcrm - remove a message queue, semaphore set

Syntax
       ipcrm [options]

Description
       The  command  removes  one  or  more  specified messages, semaphores or
       shared memory identifiers.

       The details of the removes are described in  and	 The  identifiers  and
       keys may be found by

Options
       -q msqid		   Removes the message queue identifier msqid from the
			   system and destroys	the  message  queue  and  data
			   structure associated with it.

       -m shmid		   Removes the shared memory identifier shmid from the
			   system.  The shared memory segment and data	struc‐
			   ture	 associated  with  it  are destroyed after the
			   last detach.

       -s semid		   Removes the semaphore  identifier  semid  from  the
			   system  and destroys the set of semaphores and data
			   structure associated with it.

       -Q msgkey	   Removes the message queue identifier, created  with
			   key	msgkey,	 from the system and destroys the mes‐
			   sage queue 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.

       -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.

See Also
       ipcs(1),	  msgctl(2),   msgget(2),   msgop(2),	semctl(2),  semget(2),
       semop(2), shmctl(2), shmget(2), shmop(2)

								      ipcrm(1)

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