To clear data from the current cursor position to the end of the device, you use tput Ed.

要清除从当前光标位置到设备末尾的数据，可以使用tput ed。

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You never know which device the end user is going to use.

您永远不会知道最终用户将要使用何种设备。

youdao

End user: The person or organization who will directly use a particular set of information or a device.

最终使用者：直接使用某一套信息或装置的人或团体。

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The four-inch device likely will use a different casing from the higher-end iPhone.

FORBES: Rumours Of Two New Apple Phones This Year: iPhone 5S And A Cheap iPhone For Emerging Markets

The four-inch device will likely use a different casing from the higher-end iPhone.

WSJ: Apple to Begin iPhone Production This Quarter