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Linux Shell命令解释器:权限管理chmod
chmod用于改变文件或目录的访问权限。用户用它控制文件或目录的访问权限。该命令有两种用法。一种是包含字母和操作符表达式的文字设定法;另一种是包含数字的数字设定法。 u 表示“用户(user)”,即文件或目录的所有者。 g 表示“同组(group)用户 ...
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