Provided by: cbm_0.1-10_amd64 

NAME
cbm - display the current traffic on all network devices
SYNOPSIS
cbm [--help] [--version]
DESCRIPTION
cbm — the Color Bandwidth Meter — displays the current traffic on all network devices.
This program is so simple that it should be self-explanatory.
OPTIONS
--help
Display some help and exit.
--version
Display version information and exit.
INTERACTIVE CONTROL
cbm can be controlled with the following keys:
Up/Down
Select an interface to show details about.
q
Exit from the program.
b
Switch between bits per second and bytes per second.
+
Increase the update delay by 100ms.
-
Decrease the update delay by 100ms.
AUTHOR
cbm is copyright (C) 2006 Aaron Isotton <aaron@isotton.com>. You may use it under the terms of the GNU
General Public License, version 2.
Source code and newer versions are available from http://www.isotton.com/utils/cbm/.
Report bugs to <aaron@isotton.com> with “[cbm]” as the first word of the subject.
[FIXME: source] 03/20/2014 CBM(1)