freebsd man page for ipcmk

IPCMK(1)                                                           User Commands                                                          IPCMK(1)

NAME
       ipcmk - make various IPC resources

SYNOPSIS
       ipcmk [options]

DESCRIPTION
       ipcmk allows you to create shared memory segments, message queues, and semaphore arrays.

OPTIONS
       Resources can be specified with these options:

       -M, --shmem size
              Create  a  shared  memory  segment of size bytes.  The size argument may be followed by the multiplicative suffixes KiB (=1024), MiB
              (=1024*1024), and so on for GiB, etc. (the "iB" is optional, e.g., "K" has the same meaning as "KiB") or the suffixes KB (=1000), MB
              (=1000*1000), and so on for GB, etc.

       -Q, --queue
              Create a message queue.

       -S, --semaphore number
              Create a semaphore array with number of elements.

       Other options are:

       -p, --mode mode
              Access permissions for the resource.  Default is 0644.

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

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

SEE ALSO
       ipcrm(1), ipcs(1)

AUTHOR
       Hayden A. James <hayden.james@gmail.com>

AVAILABILITY
       The  ipcmk  command  is  part  of the util-linux package and is available from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils
       /util-linux/>.

util-linux                                                           July 2014                                                            IPCMK(1)