179cf5ce7SSascha Wildner.\" Copyright (c) 1996 279cf5ce7SSascha Wildner.\" Mike Pritchard <mpp@FreeBSD.org>. All rights reserved. 379cf5ce7SSascha Wildner.\" 479cf5ce7SSascha Wildner.\" Copyright (c) 1992, 1993, 1994 579cf5ce7SSascha Wildner.\" The Regents of the University of California. All rights reserved. 679cf5ce7SSascha Wildner.\" All rights reserved. 779cf5ce7SSascha Wildner.\" 879cf5ce7SSascha Wildner.\" This code is derived from software donated to Berkeley by 979cf5ce7SSascha Wildner.\" Jan-Simon Pendry. 1079cf5ce7SSascha Wildner.\" 1179cf5ce7SSascha Wildner.\" Redistribution and use in source and binary forms, with or without 1279cf5ce7SSascha Wildner.\" modification, are permitted provided that the following conditions 1379cf5ce7SSascha Wildner.\" are met: 1479cf5ce7SSascha Wildner.\" 1. Redistributions of source code must retain the above copyright 1579cf5ce7SSascha Wildner.\" notice, this list of conditions and the following disclaimer. 1679cf5ce7SSascha Wildner.\" 2. Redistributions in binary form must reproduce the above copyright 1779cf5ce7SSascha Wildner.\" notice, this list of conditions and the following disclaimer in the 1879cf5ce7SSascha Wildner.\" documentation and/or other materials provided with the distribution. 19dc71b7abSJustin C. Sherrill.\" 3. Neither the name of the University nor the names of its contributors 2079cf5ce7SSascha Wildner.\" may be used to endorse or promote products derived from this software 2179cf5ce7SSascha Wildner.\" without specific prior written permission. 2279cf5ce7SSascha Wildner.\" 2379cf5ce7SSascha Wildner.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2479cf5ce7SSascha Wildner.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2579cf5ce7SSascha Wildner.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2679cf5ce7SSascha Wildner.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2779cf5ce7SSascha Wildner.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2879cf5ce7SSascha Wildner.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2979cf5ce7SSascha Wildner.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3079cf5ce7SSascha Wildner.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3179cf5ce7SSascha Wildner.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3279cf5ce7SSascha Wildner.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3379cf5ce7SSascha Wildner.\" SUCH DAMAGE. 3479cf5ce7SSascha Wildner.\" 3579cf5ce7SSascha Wildner.\" $FreeBSD: src/share/man/man5/devfs.5,v 1.19 2006/09/18 15:24:19 ru Exp $ 3679cf5ce7SSascha Wildner.\" 37*5b3e799aSSascha Wildner.Dd February 17, 2018 3879cf5ce7SSascha Wildner.Dt DEVFS 5 3979cf5ce7SSascha Wildner.Os 4079cf5ce7SSascha Wildner.Sh NAME 4179cf5ce7SSascha Wildner.Nm devfs 4279cf5ce7SSascha Wildner.Nd device file system 4379cf5ce7SSascha Wildner.\".Sh SYNOPSIS 4479cf5ce7SSascha Wildner.\".Bd -literal 4579cf5ce7SSascha Wildner.\"devfs /dev devfs rw 0 0 4679cf5ce7SSascha Wildner.\".Ed 4779cf5ce7SSascha Wildner.Sh DESCRIPTION 4879cf5ce7SSascha WildnerThe device file system, or 4979cf5ce7SSascha Wildner.Nm , 5079cf5ce7SSascha Wildnerprovides access to kernel's device 5179cf5ce7SSascha Wildnernamespace in the global file system namespace. 5279cf5ce7SSascha WildnerIt is mounted automatically on 5379cf5ce7SSascha Wildner.Pa /dev . 5479cf5ce7SSascha Wildner.Pp 5579cf5ce7SSascha WildnerThe file system includes several directories, links, symbolic links 5679cf5ce7SSascha Wildnerand devices, some of which can also be written. 5779cf5ce7SSascha WildnerIn a chroot'ed 5879cf5ce7SSascha Wildnerenvironment, 5979cf5ce7SSascha Wildner.Nm 6079cf5ce7SSascha Wildnercan be used to create a new 6179cf5ce7SSascha Wildner.Pa /dev 6279cf5ce7SSascha Wildnermount point. 63*5b3e799aSSascha Wildner.Sh SYSCTL VARIABLES 64*5b3e799aSSascha Wildner.Bl -hang -width ".Va vfs.devfs.debug" 65*5b3e799aSSascha Wildner.It Va vfs.devfs.debug 66*5b3e799aSSascha WildnerEnables 67*5b3e799aSSascha Wildner.Nm 68*5b3e799aSSascha Wildnerdebugging. 69*5b3e799aSSascha Wildner.El 7079cf5ce7SSascha Wildner.Sh FILES 7179cf5ce7SSascha Wildner.Bl -tag -width /dev/XXXX -compact 7279cf5ce7SSascha Wildner.It Pa /dev 7379cf5ce7SSascha WildnerThe normal 7479cf5ce7SSascha Wildner.Nm 7579cf5ce7SSascha Wildnermount point. 7679cf5ce7SSascha Wildner.El 7779cf5ce7SSascha Wildner.\".Sh EXAMPLES 7879cf5ce7SSascha Wildner.\"To mount a 7979cf5ce7SSascha Wildner.\".Nm 8079cf5ce7SSascha Wildner.\"volume located on 8179cf5ce7SSascha Wildner.\".Pa /dev : 8279cf5ce7SSascha Wildner.\".Pp 8379cf5ce7SSascha Wildner.\".Dl "mount -t devfs devfs /dev" 8479cf5ce7SSascha Wildner.Sh SEE ALSO 8579cf5ce7SSascha Wildner.Xr devfsctl 8 8679cf5ce7SSascha Wildner.\".Xr mount 8 8779cf5ce7SSascha Wildner.Sh HISTORY 8879cf5ce7SSascha WildnerThe 8979cf5ce7SSascha Wildner.Nm 9079cf5ce7SSascha Wildnerfile system first appeared in 9179cf5ce7SSascha Wildner.Dx 2.3 . 9279cf5ce7SSascha Wildner.Sh AUTHORS 9379cf5ce7SSascha Wildner.An Alex Hornung 94