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//po4a: entry man manual
////
Copyright 2008 Hayden A. James (hayden.james@gmail.com)
May be distributed under the GNU General Public License
////
= ipcmk(1)
:doctype: manpage
:man manual: User Commands
:man source: util-linux {release-version}
:page-layout: base
:command: ipcmk
== NAME
ipcmk - make various IPC resources
== SYNOPSIS
*ipcmk* [options]
== DESCRIPTION
*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).
== 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.
*-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.
include::man-common/help-version.adoc[]
== AUTHORS
mailto:hayden.james@gmail.com[Hayden A. James],
mailto:paithankarprasanna@gmail.com[Prasanna Paithankar]
== SEE ALSO
*ipcrm*(1),
*ipcs*(1),
*lsipc*(1),
*sysvipc*(7)
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