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        <title>Linux - 标签 - Unknown Blog</title>
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            <webMaster>i@tdiant.net (绫)</webMaster><lastBuildDate>Fri, 31 Oct 2025 02:14:11 &#43;0800</lastBuildDate><atom:link href="https://nyan.best/tags/linux/" rel="self" type="application/rss+xml" /><item>
    <title>原来Linux的文件权限玩法还有这么多啊</title>
    <link>https://nyan.best/2025/10/linux-permissions/</link>
    <pubDate>Fri, 31 Oct 2025 02:14:11 &#43;0800</pubDate><author>
        <name>绫</name>
    </author><guid>https://nyan.best/2025/10/linux-permissions/</guid>
    <description><![CDATA[<p>说起来我有点火星，我一直以为Linux的文件权限很简单，只能设置文件所有者、所在组和其他人的读、写和执行权限，把它们都用一个比特位表示的话，恰好是一个9位二进制数字，<del>遇到问题大不了777一把梭</del>。</p>
<p>然而实际上Linux的文件权限不是9位，而是12位。</p>
<p>那多出来的3位能做什么呢？</p>]]></description>
</item><item>
    <title>ArchLinux！冲！</title>
    <link>https://nyan.best/2022/04/archlinux-yes/</link>
    <pubDate>Wed, 06 Apr 2022 16:03:26 &#43;0000</pubDate><author>
        <name>绫</name>
    </author><guid>https://nyan.best/2022/04/archlinux-yes/</guid>
    <description><![CDATA[<p>打算换成ArchLinux了。</p>]]></description>
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