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For debugging purposes and simply to inform the user about what is happening, many diagnostic messages will be printed out as the programs run. The user can turn these diagnostic messages off. When the messages are displayed, we refer to this as the verbosity mode. The verbosity mode can be turned off by using the the -V option. This means that the time and summary of options will not be printed on the standard output at runtime. This is a useful flag for batch files. Most of the messages printed to the screen are also printed to the log file.

Christopher Basten 2002-03-27