tldr/pages.zh/common/!.md

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# Exclamation mark
> Bash 内置命令,用于替换历史记录中找到的命令。
> 更多信息:<https://www.gnu.org/software/bash/manual/bash.html#Event-Designators>.
- 使用`sudo`重新执行上一个命令:
`sudo !!`
- 通过在`history`中出现的`行号`来调取命令:
`!{{行号}}`
- 调取`history`中的倒数第`数字`条命令:
`!-{{数字}}`
- 调取以`字符串`开头的最近执行的命令:
`!{{字符串}}`
- 调取上一个命令的参数给`当前命令`
`{{当前命令}} !*`