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<title>Output Device Intro (The GNU Troff Manual)</title>
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<h3 class="section" id="Output-Devices">1.6 Output Devices</h3>
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<a class="index-entry-id" id="index-output-devices"></a>
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<p>GNU <code class="code">troff</code>’s output is in a device-independent page description
language, which is then read by an <em class="dfn">output driver</em> that translates
this language into a file format or byte stream that a piece of
(possibly emulated) hardware understands. <code class="code">groff</code> features output
drivers for PostScript devices, terminal emulators (and other simple
typewriter-like machines), X11 (for previewing), TeX DVI, HP
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