You will get an error if you attempt to create hard links that cross file systems or that are for directories.

如果您试图创建跨越文件系统或用于目录的硬链接，您会得到一个错误。

youdao

Getting links is hard work, whether you do it by writing awesome content or by submitting your site to directories.

获取链接是困难的工作，无论你是通过撰写非常棒的内容还是将你的网站提交到网络目录里。

youdao