NetBSD/usr.bin/man/man.1

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.\" $NetBSD: man.1,v 1.15 2002/08/20 15:20:33 wiz Exp $
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.\"
.\" Copyright (c) 1989, 1990, 1993
.\" The Regents of the University of California. 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.
.\" 3. All advertising materials mentioning features or use of this software
.\" must display the following acknowledgement:
.\" This product includes software developed by the University of
.\" California, Berkeley and its contributors.
.\" 4. Neither the name of the University nor the names of its contributors
.\" may be used to endorse or promote products derived from this software
.\" without specific prior written permission.
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS 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
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" @(#)man.1 8.2 (Berkeley) 1/2/94
.\"
.Dd January 2, 1994
.Dt MAN 1
.Os
.Sh NAME
.Nm man
.Nd display the on-line manual pages
.Pq aka Dq Em man pages
.Sh SYNOPSIS
.Nm ""
.Oo Fl acw Ns \&| Ns Fl h Oc
.Op Fl C Ar file
.Op Fl M Ar path
.Op Fl m Ar path
.Op Fl S Ar srch
.Oo
.Op Fl s
.Ar section
.Oc
.Ar name Ar ...
.Nm ""
.Op Fl k
.Op Fl C Ar file
.Op Fl M Ar path
.Op Fl m Ar path
.Ar keyword Ar ...
.Sh DESCRIPTION
The
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.Nm
utility
displays the
.Bx
man pages entitled
.Ar name .
.Pp
The options are as follows:
.Bl -tag -width indent
.It Fl a
Display all of the man pages for a specified
.Ar section
and
.Ar name
combination.
(Normally, only the first man page found is displayed.)
.It Fl C
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Use the specified
.Ar file
instead of the default configuration file.
This permits users to configure their own man environment.
See
.Xr man.conf 5
for a description of the contents of this file.
.It Fl c
Copy the man page to the standard output instead of using
.Xr more 1
to paginate it.
This is done by default if the standard output is not a terminal device.
.It Fl h
Display only the
.Dq Tn SYNOPSIS
lines of the requested man pages,
in the same manner as
.Xr whatis 1 .
.It Fl k
Display the header lines for any man pages matching
.Ar keyword Ns Pq s ,
in the same manner as
.Xr apropos 1 .
.It Fl M
Override the list of standard directories which
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.Nm
searches for man pages.
The supplied
.Ar path
must be a colon (``:'') separated list of directories.
This search path may also be set using the environment variable
.Ev MANPATH .
The subdirectories to be searched, and their search order,
is specified by the ``_subdir'' line in the
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.Nm
configuration file.
.It Fl m
Augment the list of standard directories which
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.Nm
searches for man pages.
The supplied
.Ar path
must be a colon (``:'') separated list of directories.
These directories will be searched before the standard directories or
the directories specified using the
.Fl M
option or the
.Ev MANPATH
environment variable.
The subdirectories to be searched, and their search order,
is specified by the ``_subdir'' line in the
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.Nm
configuration file.
.It Fl s
Restrict the directories that
.Nm
will search. The
.Nm
configuration file (see
.Xr man.conf 5 )
specifies the possible
.Ar section
values that are currently available.
.It Fl S
Display only man pages that have the specified string in their
filenames. This allows the man page search process criteria to be
narrowed without having to change the MANPATH or ``_default''
variables.
.It Fl w
List the pathnames of the man pages which
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.Nm
would display for the specified
.Ar section
and
.Ar name
combination.
.El
.Pp
If the
.Ql Fl s
option is not specified,
there is more than one argument,
the
.Ql Fl k
option is not used and the first argument is a valid section, that
argument will be used as if specified by the
.Ql Fl s
option.
.Sh ENVIRONMENT
.Bl -tag -width MANPATHX
.It Ev MACHINE
As some man pages are intended only for specific architectures,
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.Nm
searches any subdirectories,
with the same name as the current architecture,
in every directory which it searches.
Machine specific areas are checked before general areas.
The current machine type may be overridden by setting the environment
variable
.Ev MACHINE
to the name of a specific architecture.
.It Ev MANPATH
The standard search path used by
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.Nm
may be overridden by specifying a path in the
.Ev MANPATH
environment
variable.
The format of the path is a colon (``:'') separated list of directories.
The subdirectories to be searched as well as their search order
is specified by the ``_subdir'' line in the
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.Nm
configuration file.
.It Ev PAGER
The pagination command used for writing the output.
If the
.Ev PAGER
environment variable is null or not set, the standard pagination program
.Xr more 1
will be used.
.El
.Sh FILES
.Bl -hang -width /etc/man.conf -compact
.It Pa /etc/man.conf
default man configuration file.
.It Pa /usr/{share,X11R6,pkg,local}/man/whatis.db
standard whatis/apropos database search path,
set in
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.Pa /etc/man.conf .
.El
.Sh SEE ALSO
.Xr apropos 1 ,
.Xr whatis 1 ,
.Xr whereis 1 ,
.Xr man.conf 5 ,
.Xr mdoc 7 ,
.Xr mdoc.samples 7
.Sh STANDARDS
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.Nm
conforms to
.St -xcu5 .
.\"and is expected to conform to
.\".St -p1003.2-?? .
.Sh BUGS
The on-line man pages are, by necessity, forgiving toward stupid
display devices, causing a few man pages to be not as nicely formatted
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as their typeset counterparts.