What are the hard links and why they need?

Among a great number ot technological innovations Microsoft presented in Windows 2000 there was the hard links technology, as well.

This technology is modern and much more effective alternative to the shortcuts to programs and documents. It is acts as just new pointer to a file in the file system. In other words the hard links technology makes possible the appearance of the files in the file system in two, three or more names. The file in two or more names oc......