From: utzoo!decvax!cca!andrew.umcp-cs@Udel-Relay@sri-unix
Newsgroups: net.unix-wizards
Title: finding all of the files that have links to yours.
Article-I.D.: sri-unix.4854
Posted: Thu Dec 16 05:40:15 1982
Received: Sun Dec 19 10:49:08 1982

From:     Andrew Scott Beals <andrew.umcp-cs@Udel-Relay>
Date:     11 Dec 82 18:42:12 EST  (Sat)
it's easy! (you have to be a super-user to do this, but, ya don't get 
something for nothing!) ...

just find what the i-node of the file, and do an:
	ncheck -i <i-node-number> <filesystem>