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2月7日-qq5a60893cba05a的博客-51CTO博客
source link: http://blog.51cto.com/13578826/2070035
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su命令是用来切换用户的-是彻底的切换到用户su可以以普通用户执行命令mkdir/home/user1创建加目录chownuser1：user1/home/user1/更加属组和所有者ls-la/etc/skel/末班目录cp/etc/skel/.bash*/home/user1/拷贝目录chown-Ruser1:user1！$更改所有者和所这组sudo是临时给普通用户授权root的权限visud
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