NAME

ipcrm − remove a message queue, semaphore set

SYNTAX

ipcrm [ options ]

DESCRIPTION

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

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

−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 message queue and data structure associated with it. 

−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. 

The details of the removes are described in msgctl(2) and semctl(2).  The identifiers and keys may be found by using ipcs(1). 

SEE ALSO

ipcs(1), msgctl(2), msgget(2), msgop(2), semctl(2), semget(2), semop(2)