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clear (Unix)

Linux下Clear的效果展示

clearUnix类Unix操作系统中用于清屏的一条命令,其功能与MS-DOS命令cls相似。

不同系统中,clear使用terminfo英语terminfotermcap英语termcap数据库,以及查询环境变量以获取终端类型,并以此决定清空屏幕的方式。在实际使用中,clear命令不需任何参数,如果附加参数执行则clear命令会自动忽略所有参数。

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clear (Unix)
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