ding="lazy" title="shadow" src="/uploads/2009/08/shadow.png" alt="shadow" width="260" height="200" srcset=""/></a> <a href="https://coolshell.cn/wp-content/uploads/2009/08/screenshot-suse.jpg"></a></p>
<p><strong>2）把两个MP3拼起来</strong></p>
<pre style="padding-left: 30px; text-align: left;"><strong>cat 1.mp3 2.mp3 &gt; combined.mp3</strong></pre>
<p><strong>3）克隆一个硬盘设备</strong></p>
<pre style="padding-left: 30px; text-align: left;"><strong>dd if=/dev/hda of=/dev/hdb</strong></pr