NAME | SYNOPSIS | DESCRIPTION | OPTIONS | AUTHORS | SEE ALSO | REPORTING BUGS | AVAILABILITY |
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IPCMK(1) User Commands IPCMK(1)
ipcmk - make various IPC resources
ipcmk [options]
ipcmk allows you to create POSIX and System V inter-process communication (IPC) objects: shared memory segments, message queues, and semaphore (arrays for System V).
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. -m, --posix-shmem size Create a POSIX 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. -q, --posix-mqueue Create a POSIX message queue. -S, --semaphore number Create a semaphore array with number of elements. -s, --posix-semaphore Create a POSIX named semaphore. -n, --name name Name of the POSIX IPC object. This option is mandatory for POSIX IPC objects. Other options are: -p, --mode mode Access permissions for the resource. Default is 0644. -h, --help Display help text and exit. -V, --version Display version and exit.
Hayden A. James <hayden.james@gmail.com>, Prasanna Paithankar <paithankarprasanna@gmail.com>
ipcrm(1), ipcs(1), lsipc(1), sysvipc(7)
For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>.
The ipcmk command is part of the util-linux package which can be
downloaded from Linux Kernel Archive
<https://www.kernel.org/pub/linux/utils/util-linux/>. This page is
part of the util-linux (a random collection of Linux utilities)
project. Information about the project can be found at
⟨https://www.kernel.org/pub/linux/utils/util-linux/⟩. If you have a
bug report for this manual page, send it to
util-linux@vger.kernel.org. This page was obtained from the
project's upstream Git repository
⟨git://git.kernel.org/pub/scm/utils/util-linux/util-linux.git⟩ on
2025-08-11. (At that time, the date of the most recent commit that
was found in the repository was 2025-08-05.) If you discover any
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believe there is a better or more up-to-date source for the page,
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COLOPHON (which is not part of the original manual page), send a
mail to man-pages@man7.org
util-linux 2.42-start-521-ec46 2025-08-09 IPCMK(1)
Pages that refer to this page: ipcrm(1), ipcs(1), lsipc(1), pcp-ipcs(1), sysvipc(7)