<a class="mw-redirect" href="https://en.wikipedia.org/wiki/Richard_Skrenta" id="mwAUs" rel="mw:WikiLink" title="Richard Skrenta">Richard Skrenta</a> writes the first PC <a href="https://en.wikipedia.org/wiki/Computer_virus" id="mwAUw" rel="mw:WikiLink" title="Computer virus">virus</a> code, which is 400 lines long and disguised as an <a class="mw-redirect" href="https://en.wikipedia.org/wiki/Apple_Computer" id="mwAU0" rel="mw:WikiLink" title="Apple Computer">Apple</a> boot program called "<a href="https://en.wikipedia.org/wiki/Elk_Cloner" id="mwAU4" rel="mw:WikiLink" title="Elk Cloner">Elk Cloner</a>".