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_procfs 41.Nd mount 42.Dq standard 43filesystems 44.Sh SYNOPSIS 45.Nm mount_ Ns Ar fsname 46.Op Fl o Ar options 47.Ar "fs" 48.Ar mount_point 49.Sh DESCRIPTION 50The 51.Nm 52command is a generic mechanism for attaching ``standard'' filesystems to 53the filesystem. The 54.Nm 55command currently supports the 56.Nm procfs 57filesystem. 58A ``standard'' filesystem is one which: 59.Bl -enum -offset indent 60.It 61accepts only the standard 62.Fl o 63options 64.Dq ro 65.Pq Dq rdonly , 66.Dq rw , 67.Dq nodev , 68.Dq noexec , 69and 70.Dq nosuid . 71.It 72has a kernel filesystem module name the same as its user-visible name. 73.It 74requires no other special processing on the part of the 75.Nm 76command. 77.El 78.Pp 79The options are as follows: 80.Bl -tag -width indent 81.It Fl o 82Options are specified with a 83.Fl o 84flag followed by a comma separated string of options. 85See the 86.Xr mount 8 87man page for possible options and their meanings. 88.El 89.Pp 90The 91.Nm 92command examines its zeroth command-line argument (the name by which 93it was called) to determine the type of filesystem to be mounted. If 94it is called by a name which does not end in 95.Dq Li _ Ns Ar fsname , 96.Nm 97will assume (for compatibility 98with 99.Xr mount 8 ) 100that the zeroth argument contains only the name of the filesystem type. 101The 102.Nm 103command is normally installed with appropriate links to commands for 104the distributed filesystems which can be mounted in this way; 105for information on the function of each filesystem, see the manual page 106for that specific 107.Nm mount_ Ns Ar fsname 108command. 109.Pp 110Refer to the 111.Xr procfs 5 112manual page for detailed information on this file system. 113.Sh DIAGNOSTICS 114.Bl -diag 115.It argv[0] must end in _fsname 116.Nm Mount_std 117was called with a zeroth argument of 118.Dq Li mount_std . 119.It vfsload(%s) 120.Nm Mount_std 121was unable to load a kernel module implementing the %s filesystem 122type. 123.It %s filesystem not available 124The specified filesystem type was not present in the kernel and no 125loadable module for it was found. 126.El 127.Sh SEE ALSO 128.Xr mount 2 , 129.Xr unmount 2 , 130.Xr getvfsbyname 3 , 131.Xr fstab 5 , 132.Xr procfs 5 , 133.Xr mount 8 134.Sh HISTORY 135The 136.Nm 137utility first appeared in 138.Fx 2.2 . 139Loadable filesystem modules first appeared in 140.Fx 2.0 . 141The 142.Dq procfs 143filesystem type first appeared in 144.Fx 2.0 . 145.Sh CAVEATS 146None of the ``standard'' filesystems may be NFS-exported. 147