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

  • BSD mandoc
     

    NAME

    
    
    ipcs
    
     - report System V interprocess communication facilities status
    
     
    

    SYNOPSIS

    [-abcmopqstMQSTy [-C core ] ] [-N system ] [-u user ]  

    DESCRIPTION

    The utility provides information on System V interprocess communication (IPC) facilities on the system.

    The options are as follows:

    -a
    Show the maximum amount of information possible when displaying active semaphores, message queues, and shared memory segments. (This is shorthand for specifying the -b -c -o -p and -t options.)
    -b
    Show the maximum allowed sizes for active semaphores, message queues, and shared memory segments. The ``maximum allowed size'' is the maximum number of bytes in a message on a message queue, the size of a shared memory segment, or the number of semaphores in a set of semaphores.
    -c
    Show the creator's name and group for active semaphores, message queues, and shared memory segments.
    -m
    Display information about active shared memory segments.
    -o
    Show outstanding usage for active message queues, and shared memory segments. The ``outstanding usage'' is the number of messages in a message queue, or the number of processes attached to a shared memory segment.
    -p
    Show the process ID information for active semaphores, message queues, and shared memory segments. The ``process ID information'' is the last process to send a message to or receive a message from a message queue, the process that created a semaphore, or the last process to attach or detach a shared memory segment.
    -q
    Display information about active message queues.
    -s
    Display information about active semaphores.
    -t
    Show access times for active semaphores, message queues, and shared memory segments. The access times is the time of the last control operation on an IPC object, the last send or receive of a message, the last attach or detach of a shared memory segment, or the last operation on a semaphore.
    -C core
    Extract values associated with the name list from the specified core instead of the default /dev/kmem Implies -y
    -M
    Display system information about shared memory.
    -N system
    Extract the name list from the specified system instead of the default /boot/kernel/kernel Implies -y
    -Q
    Display system information about messages queues.
    -S
    Display system information about semaphores.
    -T
    Display system information about shared memory, message queues and semaphores.
    -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
    -u user
    Display information about IPC mechanisms owned by user User specification can be in the form of a numeric UID or a login name.

    If none of the -M -m -Q -q -S or -s options are specified, information about all active IPC facilities is listed.  

    RESTRICTIONS

    System data structures may change while is running; the output of is not guaranteed to be consistent.  

    FILES

    /dev/kmem
    default kernel memory
    /boot/kernel/kernel
    default system name list

     

    SEE ALSO

    ipcrm(1)  

    AUTHORS

    An Thorsten Lockert Aq tholo@sigmasoft.com  

    BUGS

    This manual page is woefully incomplete, because it does not at all attempt to explain the information printed by .


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    RESTRICTIONS
    FILES
    SEE ALSO
    AUTHORS
    BUGS


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