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set_uid、set_gid、stick_bit、硬链接、软连接-13057688-51CTO博客

 6 years ago
source link: http://blog.51cto.com/13067688/2067948
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set-uidpasswd这个命令是linux中普通用户改密码的命令,他的文件权限是[root@localhost~]#whichpasswd/usr/bin/passwd[root@localhost~]#ll/usr/bin/passwd-rwsr-xr-x.1rootroot278326月102014/usr/bin/passwd这里面多了一个“s”这个权限,这就是set-uid权限。它的作

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