如果你的计算机上安装了双系统或多系统（非虚拟机），在开机时就会显示一个引导菜单，让你选择从哪个系统启动。这个引导菜单会由主操作系统的引导加载程序来提供。
So I\'ve been using Erlang for the last eight hours, and I\'ve spent two of those banging my head against the keyboard trying to figure out the exception error my console keeps returning.
加载中,请稍侯......