小贴士 & 小技巧 Determine which version of Endless OS is running — How to determine which version of Endless OS is running. 单击中键 — Use the middle mouse button to open applications, open tabs and more. 可用的键盘快捷键 — 使用键盘浏览桌面 抓图和录制视频 — Take a picture or record a video of what is happening on your screen. 输入特殊字符 — Type characters not found on your keyboard, including foreign alphabets, mathematical symbols, emoji, and dingbats. 更多信息 Endless OS Desktop — A guide for Endless OS Desktop users.