3 .\" The DragonFly Project. All rights reserved.
5 .\" Redistribution and use in source and binary forms, with or without
6 .\" modification, are permitted provided that the following conditions
9 .\" 1. Redistributions of source code must retain the above copyright
10 .\" notice, this list of conditions and the following disclaimer.
11 .\" 2. Redistributions in binary form must reproduce the above copyright
12 .\" notice, this list of conditions and the following disclaimer in
13 .\" the documentation and/or other materials provided with the
15 .\" 3. Neither the name of The DragonFly Project nor the names of its
16 .\" contributors may be used to endorse or promote products derived
17 .\" from this software without specific, prior written permission.
19 .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 .\" ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21 .\" LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
22 .\" FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
23 .\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
24 .\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING,
25 .\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
26 .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
27 .\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 .\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
29 .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 .Nd mount a device file system
45 command attaches an instance of the device file system (or
47 to the global file system namespace.
48 This command is automatically executed for
52 The options are as follows:
53 .Bl -tag -width indent
55 Specify mount options, which are a comma delimited set of options (see
57 Supported mount options are:
58 .Bl -tag -width indent
68 .It Ar ruleset=rule_file
69 When mounting, apply the rules from the specified
71 which can be either an absolute path or one relative to
76 Mounting an already mounted
78 clears and resets all rules that are in effect for it and (if a
80 option is present) applies the rules from
84 followed by an optional
91 with a ruleset file named
95 .Bd -literal -offset indent
96 mount_devfs -o jail,ruleset=default.rules /var/jail/dev
102 .Bd -literal -offset indent
103 devfs /var/jail/dev devfs jail,ruleset=default.rules
115 utility first appeared in