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MOUNT_STD(8)		FreeBSD	System Manager's Manual		  MOUNT_STD(8)

NAME
     mount_std,	mount_devfs, mount_fdescfs, mount_linprocfs, mount_procfs --
     mount ``standard''	file systems

SYNOPSIS
     mount_fsname [-o options] fs mount_point

DESCRIPTION
     The mount_std utility is a	generic	mechanism for attaching	``standard''
     file systems to the file system.  The mount_std utility currently sup-
     ports the following file systems: devfs, fdescfs, linprocfs and procfs.
     A ``standard'' file system	is one which:

	   1.	accepts	only the standard -o options ``ro'', ``rw'',
		``nodev'', ``noexec'', ``nosuid'', and ``union''.

	   2.	has a kernel file system module	name the same as its user-vis-
		ible name.

	   3.	requires no other special processing on	the part of the
		mount_std utility.

     The options are as	follows:

     -o	     Options are specified with	a -o flag followed by a	comma sepa-
	     rated string of options.  See the mount(8)	man page for possible
	     options and their meanings.

     The mount_std utility examines its	zeroth command-line argument (the name
     by	which it was called) to	determine the type of file system to be
     mounted.  If it is	called by a name which does not	end in ``_fsname'',
     mount_std will assume (for	compatibility with mount(8)) that the zeroth
     argument contains only the	name of	the file system	type.  The mount_std
     utility is	normally installed with	appropriate links to commands for the
     distributed file systems which can	be mounted in this way;	for informa-
     tion on the function of each file system, see the manual page for that
     specific mount_fsname utility.

     Refer to the following manual pages for detailed information on these
     file system: devfs(5), fdescfs(5),	linprocfs(5) and procfs(5).

DIAGNOSTICS
     argv[0] must end in _fsname  The mount_std	utility	was called with	a
     zeroth argument of	``mount_std''.

     %s	file system not	available  The specified file system type was not
     present in	the kernel and no loadable module for it was found.

SEE ALSO
     mount(2), unmount(2), getvfsbyname(3), devfs(5), fdescfs(5), fstab(5),
     linprocfs(5), procfs(5), mount(8)

CAVEATS
     None of the ``standard'' file systems may be NFS-exported.

HISTORY
     The mount_std utility first appeared in FreeBSD 2.2.  Loadable file sys-
     tem modules first appeared	in FreeBSD 2.0.	 The ``fdescfs'' and
     ``procfs''	file system types first	appeared in FreeBSD 2.0; the ``devfs''
     file system type first appeared in	FreeBSD	2.2; the ``linprocfs'' file
     system type first appeared	in FreeBSD 4.0.

FreeBSD	10.1			 May 13, 1996			  FreeBSD 10.1

NAME | SYNOPSIS | DESCRIPTION | DIAGNOSTICS | SEE ALSO | CAVEATS | HISTORY

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<https://www.freebsd.org/cgi/man.cgi?query=mount_devfs&sektion=8&manpath=FreeBSD+5.4-RELEASE>

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