How To Block And Unblock Websites

Using this method you can prevent others from opening various sites which can harm your computer. This is very basic information, for advanced blocking techniques you have to wait and keep following this blog
 
Blocking a website

1). Click Start Button and click “Run”
2).Type the following code in the “run” and press “ok”

notepad %windir%\system32\drivers\etc\hosts

3). A Pop Window is Opened.
4). You have to add ”127.0.0.1facebook.com” (without quotes) .Add this in the Notepad
5). Press CTRL+S to save the file and restart the browser
6). Finally you blocked the facebook website

Unblock An Website
Do the reverse of above