操作符在Shell 中也可以工作，但是被解释为.，即匹配任意单个字符。

The ? operator works in the shell, too, but is interpreted as ., or match any single character.

youdao

操作符在Shell 中也可以工作，但是被解释为.，即匹配任意单个字符。

The ? operator works in the shell, too, but is interpreted as ., or match any single character.

youdao