 tree:</p>
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<div class="content">
<pre>$ edit hello.c
$ rm goodbye.c
$ git commit -a</pre>
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</div>
<div class="paragraph">
<p>The command <code>git commit -a</code> first looks at your working tree,
notices that you have modified hello.c and removed goodbye.c,
and performs necessary <code>git add</code> and <code>git rm</code> for you.</p>
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<div class="paragraph">
<p>After staging changes to many files, you can alter the order the
changes are recorded in, by givi