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# pw groupmod wheel -m root ``` 从`admin` 组里移除用户 `ykla`: ``` # pw groupmod admin -d ykla ``` 删除`admin` 用户组: ``` # pw groupdel admin ``` `admin` 和`wheel` 权限的区别: - `admin`,具有管理系统的权限(sudo 的默认配置如此),可以使用 `sudo` 命令。 - `wheel`,超...