Problems linking files
Message
filename: Cross-device link
Meaning
The file you are trying to make a link to is located on a
different physical device. The solution is to create a
symbolic link.
Message
directory_name is a directory
Meaning
You are trying to make a link to a directory. Check the
pathname for the file.
Message
ln: filename: File exists
Meaning
A file with the same name as the linkname already exists in the
destination directory. Use a different name for the linkname.