How to Block or unblock a Website?

Hey hi frind's ...
today i m give you one tricks to block or unblock a websites on specific computer....
you know all colleges and school is block social networking sites... like facebook,orkut,..etc,,, so bad na...

here is way to unblock this sites...

How to Block or unblock a Website?
Step 1:
Make sure about that you really want to block a website and ya if you then you have to know domain name of that website like "www.facebook.com" ........... (:D))

Step 2:
Now you have to open your System Drive in your computer

Step 3:
If Your System is in drive C:\
then Go to this Path in your computer
"C:\Windows\System32\drivers\etc\"


Step 4:
There is a file called "hosts"
Open this file in your text editor(You can use your favorite one 'Notepad' :))

after a localhost add your link which you want to block with the same IP address

Step 5:
Now Save this file in Any Other place and replace with d original one

Step 6:
Now you can able to see that Facebook is blocked in your computer
so, your friend can't able to use your laptop for Facebook although you give him...

step 7:
To unblock the site,, just remove the the site address in the "C:\Windows\System32\drivers\etc\""C:\Windows\System32\drivers\etc\hosts" file .. is so simple...
Ya Don't Forget to close all d Folders Which is Open in your Explorer.
if any problam plzz comment below...