The second method is to use the -i option, which tells grep to ignore case sensitivity.

第二种方法是使用-i选项，这告诉grep忽略大小写的敏感性。

youdao

The second method is to use the -i option, which tells grep to ignore case sensitivity.

第二种方法是使用-i选项，这告诉grep忽略大小写的敏感性。

youdao