ipcrm(1)                         DG/UX 5.4.2                        ipcrm(1)


NAME
       ipcrm - remove a message queue, semaphore set, or shared memory ID

SYNOPSIS
       ipcrm [ options ]

DESCRIPTION
       ipcrm removes one or more messages, semaphores, or shared memory
       identifiers.  The identifiers are specified by the following options:

       -q msqid    Remove the message queue identifier msqid from the system
                   and destroy the message queue and data structure
                   associated with it.

       -m shmid    Remove the shared memory identifier shmid from the
                   system.  The shared memory segment and data structure
                   associated with it are destroyed after the last detach.

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

       -Q msgkey   Remove the message queue identifier, created with key
                   msgkey, from the system and destroy the message 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   Remove the semaphore identifier, created with key semkey,
                   from the system and destroy the set of semaphores and
                   data structure associated with it.

       The details of the removes are described in msgctl(2), shmctl(2), and
       semctl(2).  Use the ipcs command to find the identifiers and keys.

SEE ALSO
       ipcs(1), dgsysinfo(2), msgctl(2), msgget(2), semctl(2), semget(2),
       semop(2), shmctl(2), shmget(2), shmsys(2).

NOTE
       The ipcs(1) command returns hex values for the message queue key,
       semaphore key, and shared memory key.  If you use ipcs to return
       values for use by ipcrm(1) with the -S, -Q, or -M options, you must
       convert the values to decimal before giving them to ipcrm.










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