Note that window(1) will go away after netbsd-6 is branched.

usr.bin/window/window.1

@@ -1,4 +1,4 @@
-.\"	$NetBSD: window.1,v 1.20 2010/04/23 22:04:37 joerg Exp $
+.\"	$NetBSD: window.1,v 1.21 2011/03/10 13:23:41 jmmv Exp $
 .\"
 .\" Copyright (c) 1985, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -32,7 +32,7 @@
 .\"
 .\"	@(#)window.1	8.2 (Berkeley) 12/30/93
 .\"
-.Dd June 25, 2009
+.Dd March 10, 2011
 .Dt WINDOW 1
 .Os
 .Sh NAME
@@ -51,6 +51,21 @@ implements a window environment on
 .Tn ASCII
 terminals.
 .Pp
+Please note that
+.Nm
+is scheduled for removal on
+.Nx 7.0 .
+This is the last
+.Nx
+release that provides
+.Nm .
+Use
+.Xr tmux 1
+instead or install the
+.Sq misc/window
+package from
+.Xr pkgsrc 7 .
+.Pp
 A window is a rectangular portion of the physical terminal
 screen associated with a set of processes.
 Its size and position can be changed by the user at any time.
@@ -963,6 +978,8 @@ window r=$nrow/3, nr=2*$nrow/3+1
 .Ed
 .Sh DIAGNOSTICS
 Should be self explanatory.
+.Sh SEE ALSO
+.Xr tmux 1
 .Sh HISTORY
 The
 .Nm