The -e flag to the echo command tells it to expand C-style escaped characters; in this case, it's going to turn \ t into a TAB character for you.

echo命令的- e标志用来告诉该命令扩展c风格的转义字符，在本示例中，它会把\t转换为制表符。

youdao

The -e flag to the echo command tells it to expand C-style escaped characters; in this case, it's going to turn \ t into a TAB character for you.

echo命令的- e标志用来告诉该命令扩展c风格的转义字符，在本示例中，它会把\t转换为制表符。

youdao