.\" Man page for apropos an whatis .\" .\" Copyright (c) 1990, 1991, John W. Eaton. .\" .\" You may distribute under the terms of the GNU General Public .\" License as specified in the README file that comes with the man 1.0 .\" distribution. .\" .\" John W. Eaton .\" jwe@che.utexas.edu .\" Department of Chemical Engineering .\" The University of Texas at Austin .\" Austin, Texas 78712 .\" .\" $FreeBSD: src/gnu/usr.bin/man/apropos/apropos.man,v 1.10 2002/03/12 20:00:52 charnier Exp $ .Dd January 15, 1991 .Dt APROPOS 1 .Os .Sh NAME .Nm apropos , .Nm whatis .Nd search the whatis database .Sh SYNOPSIS .Nm apropos .Ar keyword ... .Nm whatis .Ar keyword ... .Sh DESCRIPTION .Nm searches a set of database files containing short descriptions of system commands for keywords and displays the result on the standard output. .Nm whatis displays only complete word matches. .Pp .Ar keyword really is a regular expression, please read .Xr grep 1 manual page for more information about its format. .Sh DIAGNOSTICS The .Nm utility exits 0 on success, and 1 if no keyword matched. .Sh SEE ALSO .Xr grep 1 , .Xr makewhatis 1 , .Xr man 1