Ya, its about data structure.
Symbolic link is pointer to the hard link which point directly to the data storage volume.
And i just found the answer, candidate link is the link that lost previous or next node, so do call orphan link.
Added on July 23, 2008, 8:50 pmQUOTE(WaCKy-Angel @ Jul 23 2008, 12:49 PM)
Data Structure is one of the subject in DBMS (Database Management System)

I thought all info also available in text book one?
Haha, i read some operating system textbook, but didnt find any....sigh
But got the answer already