1*79cf5ce7SSascha Wildner.\" Copyright (c) 1996 2*79cf5ce7SSascha Wildner.\" Mike Pritchard <mpp@FreeBSD.org>. All rights reserved. 3*79cf5ce7SSascha Wildner.\" 4*79cf5ce7SSascha Wildner.\" Copyright (c) 1992, 1993, 1994 5*79cf5ce7SSascha Wildner.\" The Regents of the University of California. All rights reserved. 6*79cf5ce7SSascha Wildner.\" All rights reserved. 7*79cf5ce7SSascha Wildner.\" 8*79cf5ce7SSascha Wildner.\" This code is derived from software donated to Berkeley by 9*79cf5ce7SSascha Wildner.\" Jan-Simon Pendry. 10*79cf5ce7SSascha Wildner.\" 11*79cf5ce7SSascha Wildner.\" Redistribution and use in source and binary forms, with or without 12*79cf5ce7SSascha Wildner.\" modification, are permitted provided that the following conditions 13*79cf5ce7SSascha Wildner.\" are met: 14*79cf5ce7SSascha Wildner.\" 1. Redistributions of source code must retain the above copyright 15*79cf5ce7SSascha Wildner.\" notice, this list of conditions and the following disclaimer. 16*79cf5ce7SSascha Wildner.\" 2. Redistributions in binary form must reproduce the above copyright 17*79cf5ce7SSascha Wildner.\" notice, this list of conditions and the following disclaimer in the 18*79cf5ce7SSascha Wildner.\" documentation and/or other materials provided with the distribution. 19*79cf5ce7SSascha Wildner.\" 3. All advertising materials mentioning features or use of this software 20*79cf5ce7SSascha Wildner.\" must display the following acknowledgement: 21*79cf5ce7SSascha Wildner.\" This product includes software developed by the University of 22*79cf5ce7SSascha Wildner.\" California, Berkeley and its contributors. 23*79cf5ce7SSascha Wildner.\" 4. Neither the name of the University nor the names of its contributors 24*79cf5ce7SSascha Wildner.\" may be used to endorse or promote products derived from this software 25*79cf5ce7SSascha Wildner.\" without specific prior written permission. 26*79cf5ce7SSascha Wildner.\" 27*79cf5ce7SSascha Wildner.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28*79cf5ce7SSascha Wildner.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29*79cf5ce7SSascha Wildner.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30*79cf5ce7SSascha Wildner.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31*79cf5ce7SSascha Wildner.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32*79cf5ce7SSascha Wildner.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33*79cf5ce7SSascha Wildner.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34*79cf5ce7SSascha Wildner.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35*79cf5ce7SSascha Wildner.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36*79cf5ce7SSascha Wildner.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37*79cf5ce7SSascha Wildner.\" SUCH DAMAGE. 38*79cf5ce7SSascha Wildner.\" 39*79cf5ce7SSascha Wildner.\" $FreeBSD: src/share/man/man5/devfs.5,v 1.19 2006/09/18 15:24:19 ru Exp $ 40*79cf5ce7SSascha Wildner.\" 41*79cf5ce7SSascha Wildner.Dd September 12, 2009 42*79cf5ce7SSascha Wildner.Dt DEVFS 5 43*79cf5ce7SSascha Wildner.Os 44*79cf5ce7SSascha Wildner.Sh NAME 45*79cf5ce7SSascha Wildner.Nm devfs 46*79cf5ce7SSascha Wildner.Nd device file system 47*79cf5ce7SSascha Wildner.\".Sh SYNOPSIS 48*79cf5ce7SSascha Wildner.\".Bd -literal 49*79cf5ce7SSascha Wildner.\"devfs /dev devfs rw 0 0 50*79cf5ce7SSascha Wildner.\".Ed 51*79cf5ce7SSascha Wildner.Sh DESCRIPTION 52*79cf5ce7SSascha WildnerThe device file system, or 53*79cf5ce7SSascha Wildner.Nm , 54*79cf5ce7SSascha Wildnerprovides access to kernel's device 55*79cf5ce7SSascha Wildnernamespace in the global file system namespace. 56*79cf5ce7SSascha WildnerIt is mounted automatically on 57*79cf5ce7SSascha Wildner.Pa /dev . 58*79cf5ce7SSascha Wildner.Pp 59*79cf5ce7SSascha WildnerThe file system includes several directories, links, symbolic links 60*79cf5ce7SSascha Wildnerand devices, some of which can also be written. 61*79cf5ce7SSascha WildnerIn a chroot'ed 62*79cf5ce7SSascha Wildnerenvironment, 63*79cf5ce7SSascha Wildner.Nm 64*79cf5ce7SSascha Wildnercan be used to create a new 65*79cf5ce7SSascha Wildner.Pa /dev 66*79cf5ce7SSascha Wildnermount point. 67*79cf5ce7SSascha Wildner.\".Pp 68*79cf5ce7SSascha Wildner.\"The 69*79cf5ce7SSascha Wildner.\".Xr mknod 8 70*79cf5ce7SSascha Wildner.\"tool can be used to recover deleted device entries under 71*79cf5ce7SSascha Wildner.\".Nm . 72*79cf5ce7SSascha Wildner.Sh FILES 73*79cf5ce7SSascha Wildner.Bl -tag -width /dev/XXXX -compact 74*79cf5ce7SSascha Wildner.It Pa /dev 75*79cf5ce7SSascha WildnerThe normal 76*79cf5ce7SSascha Wildner.Nm 77*79cf5ce7SSascha Wildnermount point. 78*79cf5ce7SSascha Wildner.El 79*79cf5ce7SSascha Wildner.\".Sh EXAMPLES 80*79cf5ce7SSascha Wildner.\"To mount a 81*79cf5ce7SSascha Wildner.\".Nm 82*79cf5ce7SSascha Wildner.\"volume located on 83*79cf5ce7SSascha Wildner.\".Pa /dev : 84*79cf5ce7SSascha Wildner.\".Pp 85*79cf5ce7SSascha Wildner.\".Dl "mount -t devfs devfs /dev" 86*79cf5ce7SSascha Wildner.Sh SEE ALSO 87*79cf5ce7SSascha Wildner.Xr devfsctl 8 88*79cf5ce7SSascha Wildner.\".Xr mount 8 89*79cf5ce7SSascha Wildner.Sh HISTORY 90*79cf5ce7SSascha WildnerThe 91*79cf5ce7SSascha Wildner.Nm 92*79cf5ce7SSascha Wildnerfile system first appeared in 93*79cf5ce7SSascha Wildner.Dx 2.3 . 94*79cf5ce7SSascha Wildner.Sh AUTHORS 95*79cf5ce7SSascha Wildner.An Alex Hornung 96