129 lines
3.5 KiB
Groff
129 lines
3.5 KiB
Groff
.\" Copyright (c) 2011-2013 Devin Teske
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.\" All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" $FreeBSD$
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.\"
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.Dd August 6, 2013
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.Dt VERSION.4TH 8
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.Os
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.Sh NAME
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.Nm version.4th
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.Nd FreeBSD version string boot module
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.Sh DESCRIPTION
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The file that goes by the name of
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.Nm
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is a set of commands designed to draw the boot loader
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version at the bottom-right of the screen.
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The commands of
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.Nm
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by themselves are not enough for most uses.
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Please refer to the
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examples below for the most common situations, and to
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.Xr loader 8
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for additional commands.
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.Pp
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Before using any of the commands provided in
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.Nm ,
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it must be included
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through the command:
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.Pp
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.Dl include version.4th
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.Pp
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This line is present in the default
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.Pa /boot/menu.rc
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file, so it is not needed (and should not be re-issued) in a normal setup.
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.Pp
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The commands provided by it are:
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.Pp
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.Bl -tag -width disable-module_module -compact -offset indent
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.It Ic print_version
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Prints the contents of the
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.Va loader_version
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environment variable right-justified at the column
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.Va loader_version_x
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and row
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.Va loader_version_y .
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.El
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.Pp
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The environment variables that effect its behavior are:
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.Bl -tag -width bootfile -offset indent
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.It Va loader_version
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Set automatically by
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.Xr loader 8 ,
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but you can override it by setting in
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.Xr loader.conf 5 .
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This should be the version of boot loader used.
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.It Va loader_version_x
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Sets the desired ending column position of
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.Va loader_version .
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Default is 80.
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.It Va loader_version_y
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Sets the desired ending row position of
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.Va loader_version .
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Default is 24.
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.It Va loader_color
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If set to
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.Dq Li NO
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(case-insensitive) or
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.Dq Li 0 ,
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causes the version to be printed without color
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.Pq default is ANSI Cyan .
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.El
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.Sh FILES
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.Bl -tag -width /boot/version.4th -compact
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.It Pa /boot/loader
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The
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.Xr loader 8 .
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.It Pa /boot/version.4th
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.Nm
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itself.
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.It Pa /boot/loader.rc
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.Xr loader 8
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bootstrapping script.
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.El
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.Sh EXAMPLES
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Override
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.Xr loader 8
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version in
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.Xr loader.conf 5 :
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.Pp
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.Bd -literal -offset indent -compact
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loader_version="loader 1.1"
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.Ed
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.Sh SEE ALSO
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.Xr loader.conf 5 ,
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.Xr color.4th 8 ,
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.Xr loader 8
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.Sh HISTORY
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The
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.Nm
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set of commands first appeared in
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.Fx 9.0 .
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.Sh AUTHORS
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The
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.Nm
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set of commands was written by
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.An -nosplit
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.An Devin Teske Aq dteske@FreeBSD.org .
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