Linux系统中的chattr命令常用办法
<h1 style="color: black; text-align: left; margin-bottom: 10px;">CentOS7.3学习笔记总结（四十四）-Linux系统中的chattr命令常用<span style="color: black;">办法</span></h1>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">Chattr（change file attributes on a Linux file system）命令<span style="color: black;">能够</span>更改Linux文件系统上的文件属性。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">chattr命令必须root权限，普通用户不授权是<span style="color: black;">没法</span><span style="color: black;">运用</span>此命令的。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">lsattr查看文件权限。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/cae8b7f22b954836bf75af2af7fb4899~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=Cg6bF%2F56ha95%2FzeGfUnSiQ9AagA%3D" style="width: 50%; margin-bottom: 20px;"></div>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/12104c42be914defab9315cefe71c5c1~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=cu3qtCXYPHqlwi5GVn%2BX%2B2t7eYk%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">语法：</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/7752f79cc5ab424584ebbe01fc5ea282~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=6UZTIDXrxUwS95qLr8riLU3VZH0%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">模式：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">+：在原有参数设定<span style="color: black;">基本</span>上，追加参数。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">-：在原有参数设定<span style="color: black;">基本</span>上，移除参数。</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/a16f1a98b39a4acd8cd585941b3330af~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=UXabH8mNBqnocqfQ5pHd7GBrjBo%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">=：更新为指定参数设定。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">i：锁定<span style="color: black;">或</span>解除文件的锁定属性（删不掉，改不了）</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/7763718bec8342d5a2eb09aeb09d4a73~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=Hfv1qBdGSTtzk%2FdpKayuYKhAHas%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">a：让文件或目录仅供附加用途；</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p26-sign.toutiaoimg.com/pgc-image/bad2c7ce82f64fdaafa5a5bc3a3b29ff~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=YMl5MZoybr7uIMx8xYBYWdpnSEU%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">c：将文件或目录压缩后存放；</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">d：将文件或目录排除在倾倒操作之外；</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">s：保密性删除文件或目录，<span style="color: black;">倘若</span>删除该文件，则<span style="color: black;">没法</span>找回；</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">S：即时更新文件或目录；</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">u：预防意外删除，与s相反。</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">选项：</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">-R：递归处理，将指令目录下的所有文件及子目录一并处理；</p>
<div style="color: black; text-align: left; margin-bottom: 10px;"><img src="https://p3-sign.toutiaoimg.com/pgc-image/1ed1ab195a744c8ea61ea0e165f8d89a~noop.image?_iz=58558&from=article.pc_detail&lk3s=953192f4&x-expires=1724861045&x-signature=lTiaWzI2JQFamdx8IP9bIqaJ0kY%3D" style="width: 50%; margin-bottom: 20px;"></div>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">-v<版本编号>：设置文件或目录版本；</p>
<p style="font-size: 16px; color: black; line-height: 40px; text-align: left; margin-bottom: 15px;">-V：<span style="color: black;">表示</span>指令执行过程；</p>
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