Indeed, if you are using a graphical desktop, you may have opened more than one terminal window at a time, or perhaps opened a file browser, Internet browser, game, spreadsheet, or other application.

事实上，如果您使用图形化桌面，您可能一次打开了多个终端窗口，或者打开了文件浏览器、Internet浏览器、游戏、电子表格或其他应用程序。

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