IPCRM(1,C)                  AIX Commands Reference                   IPCRM(1,C)



-------------------------------------------------------------------------------
ipcrm



PURPOSE

Removes message queue, semaphore set, or shared memory identifiers.

SYNTAX


         +---------------+
ipcrm ---| +-----------+ |---|
         +-| -m shmid  |-+
          ^| -q msqid  ||
          || -s semid  ||
          || -M shmkey ||
          || -Q msgkey ||
          || -S semkey ||
          |+-----------+|
          +-------------+


DESCRIPTION

The ipcrm command removes one or more message queue, semaphore set, or shared
memory identifiers.

FLAGS

-m shmid     Removes the shared memory identifier shmid.  The shared memory
             segment and data structure associated with shmid are also removed
             after the last detach.

-q msqid     Removes the message queue identifier msqid and the message queue
             and data structure associated with it.

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

-M shmkey    Removes the shared memory identifier, created with key shmkey.
             The shared memory segment and data structure associated with it
             are also removed after the last detach.

-Q msgkey    Removes the message queue identifier, created with key msgkey, and
             the message queue and data structure associated with it.

-S semkey    Removes the semaphore identifier, created with key semkey, and the
             set of semaphores and data structure associated with it.





Processed November 8, 1990        IPCRM(1,C)                                  1

IPCRM(1,C)                  AIX Commands Reference                   IPCRM(1,C)



The details of the remove operations are described under the msgctl, shmctl,
and semctl in the AIX Operating System Technical Reference.  The identifiers
and keys can be found by using the ipcs command.

RELATED INFORMATION

See the following command:  "ipcs."

See the msgctl, msgget, msgrcv, msgsnd, semctl, semget, semop, shmctl, shmget,
and shmop system calls in AIX Operating System Technical Reference.













































Processed November 8, 1990        IPCRM(1,C)                                  2