[CentOS] Regarding fork bomb in a CentOS 4.4 Server!

Tue Apr 24 19:25:58 UTC 2007
israel.garcia at cimex.com.cu <israel.garcia at cimex.com.cu>

Hi again, I was reading from the net
http://www.kriptopolis.org/node/4067 about a forkbomb and ran it from a
root console  in a non-critical machine running CentOS4.4 and the serevr
goes down... the command I ran was :(){ :|:& };: 

Please, does anyone knows how to aboid this on  CentOS?

regards,
Israel