How to edit hosts file - MAC

To change the hosts file follow the given steps:

1. Open Terminal 
2. Go to etc dir. cd /etc/
3. Type command : sudo nano hosts and then enter password. 
4. Edit file to your requirement.
5. control + O to save and return
6. control and X to exit and return
7. Type command : sudo killall -HUP mDNSResponder

Cheers, 

Kapil