summaryrefslogtreecommitdiff
path: root/share/man/man4/rd.4
blob: eb9bf3137c4fe620f2833b3cbc9dd53bfad5a11e (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
.\"   $OpenBSD: rd.4,v 1.1 2001/05/14 09:32:36 deraadt Exp $
.\"
.\" This file is in the public domain.
.\"
.Dd May 14, 2001
.Dt RD 4
.Os
.Sh NAME
.Nm rd
.Nd ramdisk driver
.Sh SYNOPSIS
.Cd "pseudo-device rd"
.Sh DESCRIPTION
The
.Nm
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
.Nm rdsetroot
tool.
.Sh FILES
.Bl -tag -width /dev/rrdXX -compact
.It Pa "/dev/rd??"
block mode ramdisk devices.
.It Pa "/dev/rrd??"
raw mode ramdisk devices.
.El
.Sh SEE ALSO
The
.Nm rdsetroot
tool is available as part of the distribution toolset.