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IPCS(1)                          User Commands                         IPCS(1)

       ipcs - show information on IPC facilities

       ipcs [options]

       ipcs  shows  information  on the inter-process communication facilities
       for which the calling process has read access.   By  default  it  shows
       information  about all three resources: shared memory segments, message
       queues, and semaphore arrays.

       -i, --id id
              Show full details on just the one resource element identified by
              id.   This  option  needs  to  be combined with one of the three
              resource options: -m, -q or -s.

       -h, --help
              Display help text and exit.

       -V, --version
              Display version information and exit.

   Resource options
       -m, --shmems
              Write information about active shared memory segments.

       -q, --queues
              Write information about active message queues.

       -s, --semaphores
              Write information about active semaphore sets.

       -a, --all
              Write information about all three resources (default).

   Output formats
       Of these options only one takes effect: the last one specified.

       -c, --creator
              Show creator and owner.

       -l, --limits
              Show resource limits.

       -p, --pid
              Show PIDs of creator and last operator.

       -t, --time
              Write time information.  The time of the last control  operation
              that changed the access permissions for all facilities, the time
              of the last msgsnd() and msgrcv() operations on message  queues,
              the  time  of  the last shmat() and shmdt() operations on shared
              memory, and the time of the  last  semop()  operation  on  sema-

       -u, --summary
              Show status summary.

       These affect only the -l (--limits) option.

       -b, --bytes
              Print sizes in bytes.

              Print sizes in human-readable format.

       ipcrm(1),   ipcmk(1),   msgrcv(2),   msgsnd(2),   semget(2),  semop(2),
       shmat(2), shmdt(2), shmget(2)

       The Linux ipcs utility is not fully compatible to the POSIX ipcs  util-
       ity.   The  Linux  version  does  not  support  the POSIX -a, -b and -o
       options, but does support the -l and -u options not defined  by  POSIX.
       A  portable  application  shall  not  use  the  -a,  -b, -o, -l, and -u

       Krishna Balasubramanian <>

       The ipcs command is part of the util-linux  package  and  is  available
       from  Linux  Kernel Archive <

util-linux                         July 2014                           IPCS(1)

Czas wygenerowania: 0.00050 sek.

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