**Where does my hosts file live?**

It depends on your operating system.

**Mac OS-X**: /private/etc/hosts

**Windows 7**: c:\windows\system32\drivers\etc\hosts 
**Windows Vista**: c:\windows\system32\drivers\etc\hosts 
**Windows XP**: c:\windows\system32\drivers\etc\hosts 
**Windows NT/2000**:  c:\winnt\system32\drivers\etc\hosts
**Windows 95/98/Me**: c:\windows\hosts