-M

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

Create a message queue.

-S

Create a semaphore array with number of elements.Other options are:

-p

Access permissions for the resource. Default is 0644.

-V

Display version information and exit.

-h

Display help text and exit.