.\" $NetBSD: whatis.1,v 1.4 2016/06/16 14:07:16 abhinav Exp $ .\" .\" Copyright (c) 2012 Joerg Sonnenberger .\" 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. .\" .\" THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 ARE DISCLAIMED. IN NO EVENT SHALL THE .\" COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, .\" INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, .\" BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; .\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED .\" AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, .\" OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT .\" OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF .\" SUCH DAMAGE. .\" .Dd June 16, 2016 .Dt WHATIS 1 .Os .Sh NAME .Nm whatis .Nd describe what a command is .Sh SYNOPSIS .Nm .Op Fl C Ar path .Ar command Ar ... .Sh DESCRIPTION The .Nm program queries the apropos database built by .Xr makemandb 8 . It searches for manual pages with name .Ar command and outputs name of the matching manual pages along with the section and the brief description from the NAME section. .Pp It supports the following options: .Bl -tag -width indent .It Fl C Ar path Use different .Xr man 1 configuration file than the default, .Pa /etc/man.conf . .El .Sh FILES .Bl -hang -width /etc/man.conf -compact .It Pa /etc/man.conf The location of the Sqlite FTS database can be configured using the .Cd _mandb tag. .El .Sh SEE ALSO .Xr apropos 1 , .Xr man 1 , .Xr man.conf 5 , .Xr makemandb 8 .Sh HISTORY The .Nm command appeared in 3.0BSD. It was rewritten in .Nx 6.0 to use the SQLite index created by .Xr makemandb 8 .