NetBSD/usr.bin/whatis/whatis.1

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.\" $NetBSD: whatis.1,v 1.4 1997/10/20 03:17:44 lukem Exp $
.\"
.\" Copyright (c) 1989, 1990, 1993
.\" The Regents of the University of California. All rights reserved.
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.\" notice, this list of conditions and the following disclaimer in the
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.\" 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
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.\" @(#)whatis.1 8.1 (Berkeley) 6/6/93
.\"
.Dd June 6, 1993
.Dt WHATIS 1
.Os BSD 4
.Sh NAME
.Nm whatis
.Nd describe what a command is
.Sh SYNOPSIS
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.Nm
.Op Fl M Ar path
.Op Fl m Ar path
.Ar command Ar ...
.Sh DESCRIPTION
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.Nm
looks up a given command and gives the header line from the manual page.
You can then use the
.Xr man 1
command to get more information.
.Pp
The options are as follows:
.Bl -tag -width Fl
.It Fl M Ar path
Override the list of standard directories
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.Nm
searches for its database named
.Dq Pa whatis.db .
The supplied
.Ar path
must be a colon
.Dq \&:
separated list of directories.
This search path may also be set using the environment variable
.Ev MANPATH .
.It Fl m Ar path
Augment the list of standard directories
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.Nm
searches for its database named
.Dq Pa whatis.db .
The supplied
.Ar path
must be a colon
.Dq \&:
separated list of directories.
These directories will be searched before the standard directories
or the directories supplied with the
.Fl M
option or the
.Ev MANPATH
environment variable are searched.
.El
.Sh ENVIRONMENT
.Bl -tag -width MANPATH
.It Ev MANPATH
The standard search path used by
.Xr man 1
may be overridden by specifying a path in the
.Ev MANPATH
environment variable.
.El
.Sh FILES
.Bl -tag -width whatis.db
.It Pa whatis.db
name of the whatis database
.El
.Sh SEE ALSO
.Xr apropos 1 ,
.Xr man 1 ,
.Xr whereis 1
.Sh HISTORY
The
.Nm
command appeared in
.Bx 3.0 .