本文在介绍这些技巧时假设您已经安装好了操作系统，并使用GRUB配置了多重引导。
These instructions assume that you have the operating systems already installed and multiple booting using GRUB already configured.
新的操作系统带来了许多重要的功能升级，从通知功能到设备连接计算机的方式都有涉及。
The new operating system is loaded with big improvements, from notifications to how your device connects to your computer.
新的操作系统带来了许多重要的功能升级，从通知功能到设备连接计算机的方式都有涉及。
The new operating system is loaded with big improvements, from notifications to how your device connects to your computer.
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