How to clear dns cache in OSX

if you are Leopard user, use this command in terminal :

dscacheutil -flushcache

if you are Tiger user, use this command in terminal :

lookupd -flushcache

Bonus; if you are Windows user, go to the command prompt [cmd] and use this command :

ipconfig /flushdns

sorry, but i dont know how to clear dns cache in Linux workstation, any idea? if you use bind as your DNS server in Linux you can reload dns cache by command [need root]

rndc reload

hope this usefull :D