They can be absolute or relative. If they are relative, they shall be resolved with respect to the current directory. Under Unix, this means that you can specify file names instead of URLs and obtain the expected behavior. Under Windows, this does not work, because URLs use a slash as a separator, whereas file names use a backslash. Big Brother checks each URL in the list.
Some options have no parameter.
Others expect one parameter, which should come after the option's name, separated by a space. Parameters are usually integers, strings or regular expressions .