我注意到安装打开窗口并询问用户密码后的一些应用程序。 它表示应用程序需要 < code> system. privillege. admin 。 我正在设法弄清楚这到底意味着什么。 应用程序本身似乎正在以用户模式运行。 那么为什么它要密码呢? 任何人都能帮忙吗?
多数 Mac 安装将程序放入应用程序文件夹。 默认情况下, 用户无法写入此程序。 在引擎盖下, 安装者基本上是在做一个 sudo, 这样它就可以将文件写入应用程序 。
此外,许多 Mac 应用程序在系统库中有一个偏好文件, 这需要管理员的写作权限 。
最后, 应用程序可以注册它可以打开的文件种类 。 例如 pdf 文件可以由预览或杂技阅读器或杂技解答器打开。 系统需要跟踪哪些应用程序可以做什么 。
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