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-.\" Copyright (c) 2011 Devin Teske
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" $FreeBSD$
-.\"
-.Dd May 18, 2011
-.Dt DELAY.4TH 8
-.Os
-.Sh NAME
-.Nm delay.4th
-.Nd FreeBSD debugging boot module
-.Sh DESCRIPTION
-The file that goes by the name of
-.Nm
-is a set of commands designed to add debugging capabilities to
-.Xr loader 8 .
-The commands of
-.Nm
-by themselves are not enough for most uses.
-Please refer to the
-examples below for the most common situations, and to
-.Xr loader 8
-for additional commands.
-.Pp
-Before using any of the commands provided in
-.Nm ,
-it must be included
-through the command:
-.Pp
-.Dl include delay.4th
-.Pp
-This line is present in
-.Pa /boot/beastie.4th
-file, so it is not needed (and should not be re-issued) in a normal setup.
-.Pp
-The commands provided by it are:
-.Pp
-.Bl -tag -width disable-module_module -compact -offset indent
-.It Ic delay_execute
-Executes the [string] procedure stored in the
-.Ic delay_command
-environment variable after
-.Ic loader_delay
-seconds.
-.Pp
-If the optional
-.Ic delay_showdots
-environment variable is set, a continuous series of dots is printed.
-.Pp
-During the duration, the user can either press Ctrl-C (or Esc) to abort or
-ENTER to proceed immediately.
-.El
-.Pp
-The environment variables that effect its behavior are:
-.Bl -tag -width bootfile -offset indent
-.It Va delay_command
-The command to be executed by
-.Ic delay_execute .
-.It Va loader_delay
-The duration (in seconds) to delay before executing
-.Ic delay_command .
-.It Va delay_showdots
-If set, will cause
-.Ic delay_execute
-to print a continuous series of dots during the delay duration.
-.El
-.Sh FILES
-.Bl -tag -width /boot/loader.4th -compact
-.It Pa /boot/loader
-The
-.Xr loader 8 .
-.It Pa /boot/delay.4th
-.Nm
-itself.
-.It Pa /boot/loader.rc
-.Xr loader 8
-bootstrapping script.
-.El
-.Sh EXAMPLES
-Introducing a 5-second delay before including another file from
-.Pa /boot/loader.rc :
-.Pp
-.Bd -literal -offset indent -compact
-include /boot/delay.4th
-set delay_command="include /boot/other.4th"
-set delay_showdots
-set loader_delay=5
-delay_execute
-.Ed
-.Sh SEE ALSO
-.Xr loader.conf 5 ,
-.Xr beastie.4th 8 ,
-.Xr loader 8 ,
-.Xr loader.4th 8
-.Sh HISTORY
-The
-.Nm
-set of commands first appeared in
-.Fx 9.0 .
-.Sh AUTHORS
-The
-.Nm
-set of commands was written by
-.An -nosplit
-.An Devin Teske Aq dteske@FreeBSD.org .