clear
- clear the terminal screen
用法概要
clear [term]
描述
The clear utility clears the terminal screen if this is possible. It
looks in the environment for the terminal type, if this is not
already specified by the term operand, and then looks up the terminfo database
to figure out how to clear the screen.
操作数
- term
Indicates the type of terminal. Normally, this operand is unnecessary because the default is taken from the environment variable TERM.
属性
See attributes(5) for descriptions of the following attributes:
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Availability |
system/core-os |
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另请参见
tput(1), attributes(5)
