doxygen with the -h option at the command line will give you a brief description of the usage of the program.
All options consist of a leading character -, followed by one character and optionally an argument.
To generate a class browser you typically need to follow these steps:
-g option: doxygen -g <config_file>
doxygen <config_file>
If you also want a search engine to be generated, you should look at section Doxysearch usage.
written by Dimitri van Heesch, © 1997-1999