Linux cli command ipcmk

➡ A Linux man page (short for manual page) is a form of software documentation found on Linux and Unix-like operating systems. This man-page explains the command ipcmk and provides detailed information about the command ipcmk, system calls, library functions, and other aspects of the system, including usage, options, and examples of _. You can access this man page by typing man followed by the ipcmk.

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NAME 🖥️ ipcmk 🖥️

make various IPC resources

SYNOPSIS

ipcmk [options]

DESCRIPTION

ipcmk allows you to create System V inter-process communication (IPC) objects: 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.

-h, –help

Display help text and exit.

-V, –version

Print version and exit.

AUTHORS

SEE ALSO

ipcrm(1), ipcs(1), sysvipc(7)

REPORTING BUGS

For bug reports, use the issue tracker at <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/>.

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