ode"><span class="constructor">Sys</span>.chdir</code></a>),
   references to <code class="code">basename name</code> (which is a relative file name)
   designate the same file as <code class="code">name</code> before the call to <a href="Sys.html#VALchdir"><code class="code"><span class="constructor">Sys</span>.chdir</code></a>.
<p>

   This function conforms to the specification of POSIX.1-2008 for the
   <code class="code">basename</code> utility.<br>
</p></div>

<pre><span id="VALdirname"><span class="k