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<p>code was published online. The end of the acceptance speech consisted of criticism of journalists' positive coverage of <a href="page.php?w=hacker">hacker</a>s, such as <a href="page.php?w=the_414s">the 414s</a>.</p>

<p>A defence against the "Thompson hack" was developed by David A. Wheeler. It uses a technique called diverse double compilation to circumvent the hack by creating and comparing <a href="page.php?w=reproducible_builds">reproducible builds</a>.</p>

<p>Throughout the 1980s, Thompson and Ritchie continued revising Research Unix,</p><p>
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