Add cross references for find(1), locate(1), whereis(1) and which(1).

Submitted by: Josh Gillam <josh@quick.net>
PR: docs/6642

usr.bin/find/find.1

@@ -33,7 +33,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	@(#)find.1	8.7 (Berkeley) 5/9/95
-.\"	$Id: find.1,v 1.13 1997/10/27 04:22:13 steve Exp $
+.\"	$Id: find.1,v 1.14 1997/10/27 14:25:54 steve Exp $
 .\"
 .Dd May 9, 1995
 .Dt FIND 1
@@ -438,6 +438,8 @@ that are newer than ``ttt''.
 .Sh SEE ALSO
 .Xr chmod 1 ,
 .Xr locate 1 ,
+.Xr whereis 1 ,
+.Xr which 1 ,
 .Xr stat 2 ,
 .Xr fts 3 ,
 .Xr getgrent 3 ,

usr.bin/locate/locate/locate.1

@@ -31,7 +31,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	@(#)locate.1	8.1 (Berkeley) 6/6/93
-.\"	$Id: locate.1,v 1.9 1997/04/18 11:12:52 jmg Exp $
+.\"	$Id: locate.1,v 1.10 1998/02/07 05:30:14 alex Exp $
 .\"
 .Dd June 6, 1993
 .Dt LOCATE 1
@@ -188,6 +188,8 @@ option was specified.
 .El
 .Sh SEE ALSO
 .Xr find 1 ,
+.Xr whereis 1 ,
+.Xr which 1 ,
 .Xr fnmatch 3 ,
 .Xr locate.updatedb 8
 .Rs

usr.bin/whereis/whereis.1

@@ -31,7 +31,7 @@
 .\"
 .\"	@(#)whereis.1	8.2 (Berkeley) 12/30/93
 .\"
-.\" $Id$
+.\" $Id: whereis.1,v 1.4 1997/02/22 19:57:47 peter Exp $
 .\"
 .Dd June 15, 1996
 .Dt WHEREIS 1
@@ -116,7 +116,9 @@ The following finds all utilities under
 that do not have documentation:
 .Dl whereis -m -u /usr/bin/*
 .Sh SEE ALSO
+.Xr find 1 ,
 .Xr locate 1 ,
+.Xr which 1 ,
 .Xr man 1 ,
 .Xr sysctl 8
 .Sh BUGS

usr.bin/which/which.1

@@ -27,7 +27,7 @@
 .\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 .\" OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
-.\" $Id: which.1,v 1.9 1997/08/26 11:13:38 charnier Exp $
+.\" $Id: which.1,v 1.10 1998/03/23 07:47:49 charnier Exp $
 .Dd January 26, 1995
 .Dt WHICH 1
 .Os FreeBSD
@@ -58,6 +58,9 @@ The
 command first appeared in
 .Fx 2.1 .
 .Sh SEE ALSO
+.Xr find 1 ,
+.Xr locate 1 ,
+.Xr whereis 1 ,
 .Xr perl 1
 .Sh AUTHORS
 The PERL script for this more modern version of