Man page - ipcmk(1)
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apt-get install util-linux
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IPCMK
NAMESYNOPSIS
DESCRIPTION
OPTIONS
AUTHORS
SEE ALSO
REPORTING BUGS
AVAILABILITY
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.
-h , --help
Display help text and exit.
-V , --version
Display version and exit.
AUTHORS
Hayden A. James <hayden.james@gmail.com>, Prasanna Paithankar <paithankarprasanna@gmail.com>
SEE ALSO
ipcrm (1), ipcs (1), lsipc (1), sysvipc (7)
REPORTING BUGS
For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>.
AVAILABILITY
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/>.