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20 changes: 20 additions & 0 deletions pages.zh/linux/su.md
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# su

> 切换 shell 到另一个用户。
> 更多信息:<https://manned.org/su>.

- 切换到超级用户(需要root密码):

`su`

- 切换到指定用户(需要输入该用户的密码):

`su {{用户名}}`

- 切换到指定用户并模拟一个完整的登录 shell :

`su - {{用户名}}`

- 以另一个用户身份执行命令:

`su - {{用户名}} {{[-c|--command]}} "{{命令}}"`