Tweak the description of the "-D" flag, add an indication of when "-D"

is useful, and tweak the order of flags in the synopsis.

diff --git a/tcpdump.1 b/tcpdump.1
index b92eb049c1a7635519fcb3afee8331024dbb28d7..2f1f94e261fc98940a0830ea6c6778d4aae1938c 100644 (file)
--- a/tcpdump.1
+++ b/tcpdump.1
@@ -1,4 +1,4 @@
-.\" @(#) $Header: /tcpdump/master/tcpdump/Attic/tcpdump.1,v 1.124 2002-08-05 08:27:07 guy Exp $ (LBL)
+.\" @(#) $Header: /tcpdump/master/tcpdump/Attic/tcpdump.1,v 1.125 2002-08-06 04:30:55 guy Exp $ (LBL)
 .\"
 .\" Copyright (c) 1987, 1988, 1989, 1990, 1991, 1992, 1994, 1995, 1996, 1997
 .\"    The Regents of the University of California.  All rights reserved.
@@ -27,7 +27,7 @@ tcpdump \- dump traffic on a network
 .na
 .B tcpdump
 [
-.B \-aADdeflnNOpqRStuvxX
+.B \-aAdDeflnNOpqRStuvxX
 ] [
 .B \-c
 .I count
@@ -228,7 +228,7 @@ program fragment.
 Dump packet-matching code as decimal numbers (preceded with a count).
 .TP
 .B \-D
-Print the list of the network interfaces available on the system on
+Print the list of the network interfaces available on the system and on
 which
 .I tcpdump
 can capture packets.  For each network interface, a number and an
@@ -238,6 +238,12 @@ to the
 .B \-i
 flag to specify an interface on which to capture.
 .IP
+This can be useful on systems that don't have a command to list them
+(e.g., Windows systems, or UNIX systems lacking
+.BR "ifconfig \-a" );
+the number can be useful on Windows 2000 and later systems, where the
+interface name is a somewhat complex string.
+.IP
 The
 .B \-D
 flag will not be supported if