config root man

.\" Copyright (c) 2001 Chris Costello <chris@FreeBSD.org>
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.\" $FreeBSD: release/9.1.0/share/man/man9/vfs_unmountall.9 141580 2005-02-09 18:07:17Z ru $
.\"
.Dd July 26, 2001
.Dt VFS_UNMOUNTALL 9
.Os
.Sh NAME
.Nm vfs_unmountall
.Nd unmount all file systems
.Sh SYNOPSIS
.In sys/param.h
.In sys/mount.h
.Ft void
.Fn vfs_unmountall "void"
.Sh DESCRIPTION
The
.Nm
function,
run only at system shutdown,
unmounts all mounted file systems
from most recent to oldest
in order to avoid handling dependencies.
.Sh SEE ALSO
.Xr boot 9