y</h3>
<div class="paragraph">
<p>These environment variables apply to <em>all</em> core Git commands. Nb: it
is worth noting that they may be used/overridden by SCMS sitting above
Git so take care if using a foreign front-end.</p>
</div>
<div class="dlist">
<dl>
<dt class="hdlist1"><code>GIT_INDEX_FILE</code></dt>
<dd>
<p>This environment allows the specification of an alternate
index file. If not specified, the default of <code>$GIT_DIR/index</code>
is used.</p>
</dd>
<dt class="hdlist1"><code>GIT_INDEX_V