gidbit文件硬连接

特殊权限set_uid、set_gid、stick_bit、软链接文件、硬连接文件

linux中除了常见的读（r）、写（w）、执行（x）权限以外，还有3个特殊的权限，分别是setuid、setgid和stick bit -rwsr-xr-x. 1 root root 27832 Jun 10 2014 /usr/bin/passwd 所属者多了一个r，这就是setuid setuid就是：让普通用户拥有可以执行“只有root权限才能执行”的特殊权限，setgid同理指"组" ...

2.18 特殊权限set_uid 2.19 特殊权限set_gid 2.20 特殊权限stick_bit 2.21 软链接文件 2.22 硬连接文件

2.18 特殊权限set_uid 2.19 特殊权限set_gid 2.20 特殊权限stick_bit 2.21 软链接文件 2.22 硬连接文件 2.18 特殊权限set_uid passwd 有setuid 权限 s 是set_uid的权限更改密码的文件即使是000权限，root 也可以更改这个文件 passwd 有setuid 权限当普通用户执行该命令的时候，就会临时拥有r...

文件bitgid相关内容

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文件硬连接bit相关内容

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文件gid硬连接相关内容

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