xref: /freebsd/stand/forth/version.4th.8 (revision 02e9120893770924227138ba49df1edb3896112a)
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.Dd August 6, 2013
26.Dt VERSION.4TH 8
27.Os
28.Sh NAME
29.Nm version.4th
30.Nd FreeBSD version string boot module
31.Sh DESCRIPTION
32The file that goes by the name of
33.Nm
34is a set of commands designed to draw the boot loader
35version at the bottom-right of the screen.
36The commands of
37.Nm
38by themselves are not enough for most uses.
39Please refer to the
40examples below for the most common situations, and to
41.Xr loader 8
42for additional commands.
43.Pp
44Before using any of the commands provided in
45.Nm ,
46it must be included
47through the command:
48.Pp
49.Dl include version.4th
50.Pp
51This line is present in the default
52.Pa /boot/menu.rc
53file, so it is not needed (and should not be re-issued) in a normal setup.
54.Pp
55The commands provided by it are:
56.Pp
57.Bl -tag -width disable-module_module -compact -offset indent
58.It Ic print_version
59Prints the contents of the
60.Va loader_version
61environment variable right-justified at the column
62.Va loader_version_x
63and row
64.Va loader_version_y .
65.El
66.Pp
67The environment variables that effect its behavior are:
68.Bl -tag -width bootfile -offset indent
69.It Va loader_version
70Set automatically by
71.Xr loader 8 ,
72but you can override it by setting in
73.Xr loader.conf 5 .
74This should be the version of boot loader used.
75.It Va loader_version_x
76Sets the desired ending column position of
77.Va loader_version .
78Default is 80.
79.It Va loader_version_y
80Sets the desired ending row position of
81.Va loader_version .
82Default is 24.
83.It Va loader_color
84If set to
85.Dq Li NO
86(case-insensitive) or
87.Dq Li 0 ,
88causes the version to be printed without color
89.Pq default is ANSI Cyan .
90.El
91.Sh FILES
92.Bl -tag -width /boot/version.4th -compact
93.It Pa /boot/loader
94The
95.Xr loader 8 .
96.It Pa /boot/version.4th
97.Nm
98itself.
99.It Pa /boot/loader.rc
100.Xr loader 8
101bootstrapping script.
102.El
103.Sh EXAMPLES
104Override
105.Xr loader 8
106version in
107.Xr loader.conf 5 :
108.Pp
109.Bd -literal -offset indent -compact
110loader_version="loader 1.1"
111.Ed
112.Sh SEE ALSO
113.Xr loader.conf 5 ,
114.Xr color.4th 8 ,
115.Xr loader 8
116.Sh HISTORY
117The
118.Nm
119set of commands first appeared in
120.Fx 9.0 .
121.Sh AUTHORS
122The
123.Nm
124set of commands was written by
125.An -nosplit
126.An Devin Teske Aq dteske@FreeBSD.org .
127