The "hosts" file is located at c:\windows\system32\drivers\etc, and to edit it:
Originally Posted by kid james
Go to "c:\windows\system32\drivers\etc"
...and if you have Windows XP, right-click the "hosts" file, then click "Properties", the last option on the bottom. When "Properties" open up, uncheck the "read-only" box and click "Apply". Then open Notepad and drag the file into the Notepad window.
If you have Windows 7, find Notepad on your Start menu and right-click, then click "Run as Administrator", and then drag the "hosts" file into Notepad.
Copy this into the "hosts" file:
and click "Save". If you're on XP, go back to "Properties" and set the file back to "read-only".
If you are using a Mac or Linux (Ubuntu, etc) computer, the file is still under "/etc/hosts" and you can probably Google for a guide.
Anyway, what the "hosts" file does, is allow you to "write in" your own DNS records, which are mappings of numeric IP addresses and their corresponding domain names. Normally, DNS records are requested by your computer from specialized "DNS servers", maintained by your ISP, and it's done automatically without you having to do anything.
But currently, the server (126.96.36.199) which is hosting webOS Doctors in not bound to "downloads.help.palm.com". When you add the correct "hosts" file entry, the links will work