su用户和su用户之间的区别

下面两个有什么区别？

$ su user -

和

$ su - user

— gipcompany
source

linfo.org/su.html

— Andrew Li

Answers:

“su - user”将为用户创建登录环境。

“su user - ”可能不是一个有效的语法（取决于你的版本），并且可能会被解释为su用户的同义词（它不会创建登录环境）

— davidgo
source

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