Wrong number of arguments, try the -x option.
Meaning: The arguments specified were invalid
Error: can’t see <file_name> as <reason>
Meaning: Either: The Subject file can’t be found, OR, there was an error attempting to find the Target (which wasn’t that it doesn’t exist). This is likely to be directory permission problems, or a bad path.
Error: <file_name> is a directory
Meaning: It is an error for Subject or Target to be a directory.
Error: can’t unlink <file_name> as <reason>
Meaning: The Target exists, it has to be removed before the Subject can be linked to that name, that unlink (remove) went wrong. Probably a permissions problem.
Error: can’t link <Subject> to <Target> as <reason>
Meaning: The link failed. Probably a permissions problem.