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roff (software)
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<p>roff is a <a href="/facts/Typesetting/CsKmfY0t">typesetting</a> <a href="/facts/Markup_language/WwhlNVIu">markup language</a>. As the first <a href="/facts/Unix/0pNL2seI">Unix</a> <a href="/facts/Text-formatting/CsKmfY0t">text-formatting</a> <a href="/facts/Computer_program/e38jH9N9">computer program</a>, it is a predecessor of the <a href="/facts/Nroff/E6JGTTbE">nroff</a> and <a href="/facts/Troff/NtPk6T03">troff</a> document processing systems.: 290 </p><p>Roff was a Unix version of the <a href="/facts/Runoff_(program)/vN8nQ5Uf">runoff</a> text-formatting program from <a href="/facts/Multics/y7A5peyu">Multics</a>, which was a descendant of <a href="/facts/RUNOFF/vN8nQ5Uf">RUNOFF</a> for <a href="/facts/Compatible_Time-Sharing_System/LAIsUSEq">CTSS</a> (the first computerized text-formatting application). </p>