I know of two different ways to remember: 1. Same as mv: `mv REAL_FILE link_name` 2. The second argument is optional. Therefore, the first argument must be th

I know of two different ways to remember: 1. Same as mv: `mv REAL_FILE link_name` 2. The second argument is optional. Therefore, the first argument must be the real file, and the second the link name. It does not make sense to omit the real file.