ipcmk (1) Linux Manual Page
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.
-V, –version
- Display version information and exit.
-h, –help
- Display help text and exit.
