IPCMK(1)                        User Commands                       IPCMK(1)

NAME         top

       ipcmk - make various IPC resources

SYNOPSIS         top

       ipcmk [options]

DESCRIPTION         top

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

OPTIONS         top

       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         top

       ipcrm(1), ipcs(1)

AUTHOR         top

       Hayden A. James ⟨⟩

AVAILABILITY         top

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

COLOPHON         top

       This page is part of the util-linux (a random collection of Linux
       utilities) project.  Information about the project can be found at 
       ⟨⟩.  If you have a
       bug report for this manual page, send it to  This page was obtained from the
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util-linux                        July 2014                         IPCMK(1)