wvdial --version (return code: 0)
WvDial 1.61
Copyright (c) 1997-2005 Net Integration Technologies, Inc.
wvdial --help (return code: 0)
Usage: wvdial [OPTION...] [SECTION]... [OPTION=value]...
An intelligent PPP dialer.
-c, --chat used when running wvdial from pppd
-C, --config=configfile use configfile instead of /etc/wvdial.conf
-n, --no-syslog don't send output to SYSLOG
-?, --help Give this help list
--usage Give a short usage message
-V, --version Print program version
Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.
Optional SECTION arguments refer to sections in configuration file (usually)
/etc/wvdial.conf, $HOME/.wvdialrc or the file specified by --config.
Specified sections are all read, with later ones overriding previous ones.
Any options not in the listed sections are taken from [Dialer Defaults].
Also, optional OPTION=value parameters allow you to override options within
the configuration files.