The xev program output lists every X Window System event in the attached window.

xev 程序输出将在连接的窗口中列出每个 X Window System 事件。

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Some people prefer to use the command line to execute commands with all the flags, while others prefer GUIs and X window sessions.

一些人喜欢使用命令行执行带各种标志的命令，其他人喜欢使用 GUI 和 X 窗口会话。

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Lines 362-383 are typical X toolkit calls to set up an application's main window.

第362到383行是典型的x工具包调用，用来设置应用程序的主窗口。

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What's more, the game only plays in 800-by-600 pixel mode in the X Window System.

CNN: Heroes of Might and Magic III triumphs on Linux

It also could give us a new way to look deep inside our bodies without X-rays, or to look through a window into a burning building from a distance to see if anyone is left inside --without risking a firefighter's life.

CNN: A camera that can see around corners