Can't Reset My MYSQL Password

Hi,everyone! I use mysql at the first time,and when i try to login,it needs password which is not "toor".So i search it online and find the answer:i need to reset my password...then i followed this articlehttp://www.cyberciti.biz/tips/recover-mysql-root-password.html

But when i tried step2,i was blocked by the output as shows below...anyone can help? Thanks in advanced.