ramdisk

ramdisk

Synopsis
ramdisk -c | --create [ -s | --size <size> ]
Details
The ramdisk command manages RAM disk devices. A RAM disk is a simulated disk device that uses RAM to store its state.

The --create form of the command creates a new RAM disk with a size in bytes given by the --size option The default size is 16K bytes. Note that the RAM disk has a notional block size of 512 bytes, so the size should be a multiple of that.