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10 权限介绍
2022-07-31 02:24:00 【水无痕simon】
- 文件的类型,就是: drwx-xr-x. 2 root root 22323 3月:例如:
(1)第一个字符都有如下类型:- : 表示普通文件
d: 表示是目录
l : 表示软链接
c: 表示字符设备[键盘,鼠标]
b: 块文件,硬盘
通常大部分情况下是-,d
- : 表示普通文件
(2)rw-,rwx是一组: 表示文件所有者拥有的权限
r: 读权限
w:写权限
-:表示没有权限
x:
(3)r-x: 表示文件所在组的权限
r–: 表示文件所在组只有读的权限
(4)r-x: 表示文件其他组的权限.
注意: 对文件所在目录有写的权限,才可以删除文件.
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