https://myblog.050626.xyz/tags/%E6%96%87%E4%BB%B6%E6%8F%8F%E8%BF%B0%E7%AC%A6/Recent content in 文件描述符 on ICE345のBLOGHugo -- gohugo.iozh-cn© 2026 ICE345Tue, 04 Feb 2025 13:25:48 +0000https://myblog.050626.xyz/notes/linux/linux%E6%96%87%E4%BB%B6file/Tue, 04 Feb 2025 13:25:48 +0000https://myblog.050626.xyz/notes/linux/linux%E6%96%87%E4%BB%B6file/<h1 class="relative group">文件描述符 <div id="文件描述符" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#%e6%96%87%e4%bb%b6%e6%8f%8f%e8%bf%b0%e7%ac%a6" aria-label="锚点">#</a> </span> </h1> <p>文件在 Linux 系统中通过文件描述符与内核进行交互。打开文件时，Linux 内核会执行以下步骤：</p>https://myblog.050626.xyz/notes/linux/linux%E6%96%87%E4%BB%B6%E6%8F%8F%E8%BF%B0%E7%AC%A6-fd/Tue, 04 Feb 2025 13:24:22 +0000https://myblog.050626.xyz/notes/linux/linux%E6%96%87%E4%BB%B6%E6%8F%8F%E8%BF%B0%E7%AC%A6-fd/<blockquote><p>作者: 杰克小麻雀<br> 原文链接: <a href="https://blog.csdn.net/yushuaigee/article/details/107883964" target="_blank" rel="noreferrer">https://blog.csdn.net/yushuaigee/article/details/107883964</a></p> </blockquote> <h3 class="relative group">1、从一个最常见的例子说起 <div id="1从一个最常见的例子说起" class="anchor"></div> <span class="absolute top-0 w-6 transition-opacity opacity-0 -start-6 not-prose group-hover:opacity-100 select-none"> <a class="text-primary-300 dark:text-neutral-700 !no-underline" href="#1%e4%bb%8e%e4%b8%80%e4%b8%aa%e6%9c%80%e5%b8%b8%e8%a7%81%e7%9a%84%e4%be%8b%e5%ad%90%e8%af%b4%e8%b5%b7" aria-label="锚点">#</a> </span> </h3> <p>在使用Linux的过程中， 我们平时经常看到下面这样的用法：</p>