Document ability to display all interfaces of given type by omitting unit

number.

1 files changed, 8 insertions, 1 deletions

diff --git a/sbin/ifconfig/ifconfig.8 b/sbin/ifconfig/ifconfig.8
index 4b474a8baca..c18e50611bf 100644
--- a/sbin/ifconfig/ifconfig.8
+++ b/sbin/ifconfig/ifconfig.8
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ifconfig.8,v 1.76 2003/12/16 11:14:25 jmc Exp $
+.\"	$OpenBSD: ifconfig.8,v 1.77 2004/01/13 02:01:39 mcbride Exp $
 .\"	$NetBSD: ifconfig.8,v 1.11 1996/01/04 21:27:29 pk Exp $
 .\"     $FreeBSD: ifconfig.8,v 1.16 1998/02/01 07:03:29 steve Exp $
 .\"
@@ -166,6 +166,13 @@ parameter is a string of the form
 .Dq name unit ,
 for example,
 .Dq en0 .
+If no optional parameters are supplied, this string may also be of the form
+.Dq name .
+In this case, all interfaces of that type will be displayed.  For example,
+.Dq carp
+will display the current configuration of all
+.Xr carp
+interfaces.
 .El
 .Pp
 The following parameters may be set with