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RD(4) Device Drivers Manual RD(4)

rdramdisk driver

pseudo-device rd [count]

The rd driver enables use of system or user memory as a disk. Memory for the disk must be allocated and initialized inside the kernel image at build-time using the elfrdsetroot tool.

The elfrdsetroot tool is available as part of the distribution toolset.

Block mode ramdisk devices.
Raw mode ramdisk devices.


October 18, 2013 OpenBSD-6.2