xref: /freebsd/stand/forth/version.4th.8 (revision 62cfcf62f627e5093fb37026a6d8c98e4d2ef04c)
1.\" Copyright (c) 2011-2013 Devin Teske
2.\" All rights reserved.
3.\"
4.\" Redistribution and use in source and binary forms, with or without
5.\" modification, are permitted provided that the following conditions
6.\" are met:
7.\" 1. Redistributions of source code must retain the above copyright
8.\"    notice, this list of conditions and the following disclaimer.
9.\" 2. Redistributions in binary form must reproduce the above copyright
10.\"    notice, this list of conditions and the following disclaimer in the
11.\"    documentation and/or other materials provided with the distribution.
12.\"
13.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23.\" SUCH DAMAGE.
24.\"
25.\" $FreeBSD$
26.\"
27.Dd August 6, 2013
28.Dt VERSION.4TH 8
29.Os
30.Sh NAME
31.Nm version.4th
32.Nd FreeBSD version string boot module
33.Sh DESCRIPTION
34The file that goes by the name of
35.Nm
36is a set of commands designed to draw the boot loader
37version at the bottom-right of the screen.
38The commands of
39.Nm
40by themselves are not enough for most uses.
41Please refer to the
42examples below for the most common situations, and to
43.Xr loader 8
44for additional commands.
45.Pp
46Before using any of the commands provided in
47.Nm ,
48it must be included
49through the command:
50.Pp
51.Dl include version.4th
52.Pp
53This line is present in the default
54.Pa /boot/menu.rc
55file, so it is not needed (and should not be re-issued) in a normal setup.
56.Pp
57The commands provided by it are:
58.Pp
59.Bl -tag -width disable-module_module -compact -offset indent
60.It Ic print_version
61Prints the contents of the
62.Va loader_version
63environment variable right-justified at the column
64.Va loader_version_x
65and row
66.Va loader_version_y .
67.El
68.Pp
69The environment variables that effect its behavior are:
70.Bl -tag -width bootfile -offset indent
71.It Va loader_version
72Set automatically by
73.Xr loader 8 ,
74but you can override it by setting in
75.Xr loader.conf 5 .
76This should be the version of boot loader used.
77.It Va loader_version_x
78Sets the desired ending column position of
79.Va loader_version .
80Default is 80.
81.It Va loader_version_y
82Sets the desired ending row position of
83.Va loader_version .
84Default is 24.
85.It Va loader_color
86If set to
87.Dq Li NO
88(case-insensitive) or
89.Dq Li 0 ,
90causes the version to be printed without color
91.Pq default is ANSI Cyan .
92.El
93.Sh FILES
94.Bl -tag -width /boot/version.4th -compact
95.It Pa /boot/loader
96The
97.Xr loader 8 .
98.It Pa /boot/version.4th
99.Nm
100itself.
101.It Pa /boot/loader.rc
102.Xr loader 8
103bootstrapping script.
104.El
105.Sh EXAMPLES
106Override
107.Xr loader 8
108version in
109.Xr loader.conf 5 :
110.Pp
111.Bd -literal -offset indent -compact
112loader_version="loader 1.1"
113.Ed
114.Sh SEE ALSO
115.Xr loader.conf 5 ,
116.Xr color.4th 8 ,
117.Xr loader 8
118.Sh HISTORY
119The
120.Nm
121set of commands first appeared in
122.Fx 9.0 .
123.Sh AUTHORS
124The
125.Nm
126set of commands was written by
127.An -nosplit
128.An Devin Teske Aq dteske@FreeBSD.org .
129