[url]http://www.ugrad.cs.ubc.ca/~cs219/CourseNotes/Unix/commands-links.html[/url]

[url]http://www.chinaunix.net/jh/4/461282.html[/url]

[url]http://phorum.study-area.org/index.php/topic[/url],12235.html

[url]http://my.opera.com/abf/blog/unix[/url]
[url]http://lists.virus.org/bugtraq-0311/msg00279.html[/url] (
hard links on Linux create local DoS vulnerability and security problems)