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ipcrm (1)
  • ipcrm (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • >> ipcrm (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )
  • ipcrm (1) ( Linux man: Команды и прикладные программы пользовательского уровня )
  • ipcrm (1) ( POSIX man: Команды и прикладные программы пользовательского уровня )
  • ipcrm (8) ( Русские man: Команды системного администрирования )
  • ipcrm (8) ( Linux man: Команды системного администрирования )

  • BSD mandoc
     

    NAME

    
    
    ipcrm
    
     - remove the specified message queues, semaphore sets, and shared segments
    
     
    

    SYNOPSIS

    [-W ] [-v ] [-q msqid ] [-m shmid ] [-s semid ] [-Q msgkey ] [-M shmkey ] [-S semkey ] ...  

    DESCRIPTION

    The utility 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 generic:

    -v
    If specified once with -W or with -1 for an object, it will show all removed objects. If specified twice with -W or with -1 for an objects, it will show all removed objects and all failed removals.
    -W
    Try to wipe all specified message queues, semaphores and shared memory segments.
    -y
    Use the kvm(3) interface instead of the sysctl(3) interface to extract the required information. If is to operate on the running system, using kvm(3) will require read privileges to /dev/kmem

    The following options are used to specify which IPC objects will be removed. Any number and combination of these options can be used:

    -q msqid
    Remove the message queue associated with the ID msqid from the system.
    -m shmid
    Mark the shared memory segment associated with ID shmid for removal. This marked segment will be destroyed after the last detach.
    -s semid
    Remove the semaphore set associated with ID semid from the system.
    -Q msgkey
    Remove the message queue associated with key msgkey from the system.
    -M shmkey
    Mark the shared memory segment associated with key shmkey for removal. This marked segment will be destroyed after the last detach.
    -S semkey
    Remove the semaphore set associated with key semkey from the system.

    The identifiers and keys associated with these System V IPC objects can be determined by using ipcs(1). If the identifier or the key is -1, it will remove all these objects.  

    SEE ALSO

    ipcs(1)  

    HISTORY

    The wiping of all System V IPC objects was first implemented in Fx 6.4 and 7.1.  

    AUTHORS

    The original author was Adam Glass. The wiping of all System V IPC objects was thought up by Callum Gibson and extended and implemented by Edwin Groothuis.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    SEE ALSO
    HISTORY
    AUTHORS


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