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在维护计算机安全时,保护文件和数据免遭未经授权的访问至关重要,Linux提供了chmod命令,它允许您更改文件和目录的访问权限,从而增强其安全性,chmod命令简介chmod命令用于修改文件和目录的访问权限,它使用一组数字参数来指定允许哪些用户以哪种方式访问文件,这三个数字代表,所有者权限,第一位数字控制文件所有者的访问权限,组权限,...。
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