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# 技术怪癖
## NUL 符用新行表示
文件中的 NUL 符 (`\0`) 在内存中会被存储为换行符 (`\n`) 且
在缓冲区中显示为 `^@`.
`man 7 ascii``:h NL-used-for-Nul` 中查看更多信息。