Block Or Unblock Websites without software !

Lots Of people want to Block some websites that are harmfull to our PC. Like someparents take care of their children by blocking porn websites and some colleges/schools blocks some special websites that may harm there network.You may need a costly (or even free) software to block such websites Why to spend money and time and why give HDD space to such uselesssoftwares. Just do this and block unwanted softwares from accesing.

Steps:

1] Browse C:\WINDOWS\system32\drivers\etc
2] Find the file named "HOSTS"
3] Open it in notepad
4] Under "127.0.0.1 localhost" Add 127.0.0.2 www.xyz.com , and that site will no longer be accessable.
5] Done!