ipcs man page on Archlinux

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IPCS(1)				 User Commands			       IPCS(1)

       ipcs - provide information on IPC facilities

       ipcs [resource-option] [output-format]
       ipcs [resource-option] -i id

       ipcs provides information on the inter-process communication facilities
       for which the calling process has read access.

       -i, --id id
	      Print details only on the resource identified by id.

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

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

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

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

       -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 ⟨balasub@cis.ohio-state.edu⟩

       The ipcs command is part of the util-linux  package  and	 is  available
       from  Linux  Kernel Archive ⟨ftp://ftp.kernel.org/pub/linux/utils/util-

util-linux			 January 2013			       IPCS(1)

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