退格键(英语:Backspace)最初是将打字机支架(Carriage)向后推一个位置的按键,在现代的电脑中是将输入游标向后移动一个位置[注 1],并删除这个位置的字元之后,将后面的文字往前移动一个位置。

在野外的退格键

注解

参考资料

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