1.\" $NetBSD: autofs.5,v 1.5 2019/11/21 15:24:17 tkusumi Exp $ 2.\" 3.\" Copyright (c) 2017 The NetBSD Foundation, Inc. 4.\" Copyright (c) 2016 The DragonFly Project 5.\" Copyright (c) 2014 The FreeBSD Foundation 6.\" All rights reserved. 7.\" 8.\" This code is derived from software contributed to The NetBSD Foundation 9.\" by Tomohiro Kusumi. 10.\" 11.\" This software was developed by Edward Tomasz Napierala under sponsorship 12.\" from the FreeBSD Foundation. 13.\" 14.\" Redistribution and use in source and binary forms, with or without 15.\" modification, are permitted provided that the following conditions 16.\" are met: 17.\" 1. Redistributions of source code must retain the above copyright 18.\" notice, this list of conditions and the following disclaimer. 19.\" 2. Redistributions in binary form must reproduce the above copyright 20.\" notice, this list of conditions and the following disclaimer in the 21.\" documentation and/or other materials provided with the distribution. 22.\" 23.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND 24.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE 27.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33.\" SUCH DAMAGE. 34.\" 35.\" $FreeBSD$ 36.\" 37.Dd November 25, 2017 38.Dt AUTOFS 5 39.Os 40.Sh NAME 41.Nm autofs 42.Nd "automounter filesystem" 43.Sh SYNOPSIS 44.\"To compile this driver into the kernel, 45.\"place the following line in the 46.\"kernel configuration file: 47.\".Bd -ragged -offset indent 48.Cd "options AUTOFS" 49.\".Ed 50.\".Pp 51.\"Alternatively, to load the driver as a 52.\"module at boot time, place the following line in 53.\".Xr loader.conf 5 : 54.\".Bd -literal -offset indent 55.\"autofs_load="YES" 56.\".Ed 57.Sh DESCRIPTION 58The 59.Nm 60driver is the kernel component of the automounter infrastructure. 61Its job is to pass mount requests to the 62.Xr automountd 8 63daemon, and pause the processes trying to access the automounted filesystem 64until the mount is completed. 65It is mounted by the 66.Xr automount 8 . 67.Sh OPTIONS 68These options are available when 69mounting 70.Nm 71file systems: 72.Bl -tag -width indent 73.It Cm master_options 74Mount options for all filesystems specified in the map entry. 75.It Cm master_prefix 76Filesystem mountpoint prefix. 77.El 78.Sh EXAMPLES 79To unmount all mounted 80.Nm 81filesystems: 82.Pp 83.Dl "umount -At autofs" 84.Pp 85To mount 86.Nm 87filesystems specified in 88.Xr auto_master 5 : 89.Pp 90.Dl "automount" 91.Sh SEE ALSO 92.Xr auto_master 5 , 93.Xr automount 8 , 94.Xr automountd 8 , 95.Xr autounmountd 8 , 96.Xr mount_autofs 8 97.Sh HISTORY 98The 99.Nm 100driver first appeared in 101.Fx 10.1 . 102The 103.Nm 104driver first appeared in 105.Dx 4.5 . 106The 107.Nm 108driver first appeared in 109.Nx 9.0 . 110.Sh AUTHORS 111.An -nosplit 112The 113.Nm 114was developed by 115.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org 116under sponsorship from the FreeBSD Foundation. 117.Pp 118The 119.Nm 120was ported to 121.Dx 122and 123.Nx 124by 125.An Tomohiro Kusumi Aq Mt tkusumi@netbsd.org . 126