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clear
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===
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清除当前屏幕终端上的任何信息
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## 说明
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**clear命令** 用于清除当前屏幕终端上的任何信息。
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### 语法
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```
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clear
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```
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### 实例
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直接输入clear命令当前终端上的任何信息就可被清除。
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