From http://apple.stackexchange.com/questions/115646/how-can-i-create-a-symbolic-link-in-terminal

create_symbolic_link

┌── ln(1) link, ln -- make links
│   ┌── Create a symbolic link.
│   │                         ┌── the path to the intended symlink
│   │                         │   can use . or ~ or other relative paths
│   │                   ┌─────┴────────┐
ln -s /path/to/original /path/to/symlink
      └───────┬───────┘
              └── the path to the original file/folder
                  can use . or ~ or other relative paths