Add an intro for games.

share/man/man6/Makefile

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+#	$Id$
+
+MAN6=	intro.6
+
+.include <bsd.prog.mk>

share/man/man6/intro.6

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+.\" Copyright (c) 1983, 1991, 1993
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+.\"	$Id$
+.\"
+.Dd Februar 16, 1997
+.Dt INTRO 6
+.Os FreeBSD 2.2
+.Sh NAME
+.Nm intro
+.Nd "introduction to games"
+.Sh DESCRIPTION
+This section contains information about games. The games
+are located in 
+.Pa /usr/games
+if installed.
+You get a short overview about all games with the 
+command: 
+$ apropos '(6)'
+.Sh SEE ALSO
+.Xr intro 1 ,
+.Xr dm 8
+.Pp
+Tutorials in the
+.%T "UNIX User's Manual Supplementary Documents" .
+.Sh FILES
+.Bl -tag -width /usr/share/doc/usd/31.trek -compact
+.It Pa /usr/games
+location of games
+.It Pa /usr/share/doc/usd
+games tutorials
+.El
+.Sh HISTORY
+The
+.Nm intro
+section manual page appeared in
+.Fx 2.2 .