1.\" 2.\" Copyright (c) 1992, 1993, 1994 3.\" The Regents of the University of California. All rights reserved. 4.\" All rights reserved. 5.\" 6.\" This code is derived from software donated to Berkeley by 7.\" Jan-Simon Pendry. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 3. Neither the name of the University nor the names of its contributors 18.\" may be used to endorse or promote products derived from this software 19.\" without specific prior written permission. 20.\" 21.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31.\" SUCH DAMAGE. 32.\" 33.\" $FreeBSD: src/sbin/mount_std/mount_std.8,v 1.9.2.7 2003/02/10 12:21:07 des Exp $ 34.\" 35.Dd July 5, 2012 36.Dt MOUNT_STD 8 37.Os 38.Sh NAME 39.Nm mount_std , 40.Nm mount_linprocfs , 41.Nm mount_procfs 42.Nd mount 43.Dq standard 44filesystems 45.Sh SYNOPSIS 46.Nm mount_ Ns Ar fsname 47.Op Fl o Ar options 48.Ar "fs" 49.Ar mount_point 50.Sh DESCRIPTION 51The 52.Nm 53command is a generic mechanism for attaching ``standard'' filesystems to 54the filesystem. The 55.Nm 56command currently supports the following filesystems: 57.Nm linprocfs 58and 59.Nm procfs . 60A ``standard'' filesystem is one which: 61.Bl -enum -offset indent 62.It 63accepts only the standard 64.Fl o 65options 66.Dq ro 67.Pq Dq rdonly , 68.Dq rw , 69.Dq nodev , 70.Dq noexec , 71.Dq nosuid , 72and 73.Dq union . 74.It 75has a kernel filesystem module name the same as its user-visible name. 76.It 77requires no other special processing on the part of the 78.Nm 79command. 80.El 81.Pp 82The options are as follows: 83.Bl -tag -width indent 84.It Fl o 85Options are specified with a 86.Fl o 87flag followed by a comma separated string of options. 88See the 89.Xr mount 8 90man page for possible options and their meanings. 91.El 92.Pp 93The 94.Nm 95command examines its zeroth command-line argument (the name by which 96it was called) to determine the type of filesystem to be mounted. If 97it is called by a name which does not end in 98.Dq Li _ Ns Ar fsname , 99.Nm 100will assume (for compatibility 101with 102.Xr mount 8 ) 103that the zeroth argument contains only the name of the filesystem type. 104The 105.Nm 106command is normally installed with appropriate links to commands for 107the distributed filesystems which can be mounted in this way; 108for information on the function of each filesystem, see the manual page 109for that specific 110.Nm mount_ Ns Ar fsname 111command. 112.Pp 113Refer to the following manual pages for detailed information 114on these file system: 115.Xr linprocfs 5 116and 117.Xr procfs 5 . 118.Sh DIAGNOSTICS 119.Bl -diag 120.It argv[0] must end in _fsname 121.Nm Mount_std 122was called with a zeroth argument of 123.Dq Li mount_std . 124.It vfsload(%s) 125.Nm Mount_std 126was unable to load a kernel module implementing the %s filesystem 127type. 128.It %s filesystem not available 129The specified filesystem type was not present in the kernel and no 130loadable module for it was found. 131.El 132.Sh SEE ALSO 133.Xr mount 2 , 134.Xr unmount 2 , 135.Xr getvfsbyname 3 , 136.Xr fstab 5 , 137.Xr linprocfs 5 , 138.Xr procfs 5 , 139.Xr mount 8 140.Sh HISTORY 141The 142.Nm 143utility first appeared in 144.Fx 2.2 . 145Loadable filesystem modules first appeared in 146.Fx 2.0 . 147The 148.Dq procfs 149filesystem type first appeared in 150.Fx 2.0 ; 151the 152.Dq linprocfs 153filesystem type first appeared in 154.Fx 4.0 . 155.Sh CAVEATS 156None of the ``standard'' filesystems may be NFS-exported. 157