ate for POV-Ray 3.x, because the command line is only one way of passing options to the program. The other, more convenient way, is to use <a href="u1_5.html#u1_5_2">INI files</a>.</p>

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<h3>1.6.1 Special Command-Line Options</h3>
<p>POV-Ray for Unix supports several special command-line options not recognized by other versions.  They follow the standards for programs that run under the X Window Sy