Creates a new hard-link.
Returns True if the operation was completed successfully, and False otherwise.
Use this method to create hard links on the server side.
In case of error, EElSFTPError exception containing the SFTP error code, is raised. For more information on error handling, please read the corresponding how-to article.
It is generally not possible to create hard links across devices.
This feature is supported since version 6 of the SFTP protocol.