RD(4) OpenBSD Programmer's Manual RD(4)NAMErd - ramdisk driver
SYNOPSIS
pseudo-device rd [count]
DESCRIPTION
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 rdsetroot (a.out(5)) or elfrdsetroot (elf(5)) tool.
FILES
/dev/rd?? block mode ramdisk devices.
/dev/rrd?? raw mode ramdisk devices.
SEE ALSO
The rdsetroot and elfrdsetroot tools are available as part of the
distribution toolset.
OpenBSD 4.9 May 31, 2007 OpenBSD 4.9