block any website

block any website :

this is link of file , by editing this file u can block any website.
C:\Windows\System32\drivers\etc\hosts
you can't directly open this page. firstly , open notepad by 'run as administrator' 

then edit the file .
127.0.0.1  local host 
127.0.0.1 www .facebook.com 
{you can write any website name}

how to change any computer password :-

1)  open cmd then type 'net user'.

2)  after that you get the accounts ,then choose one from it (for eg.: i choose jeff name account).

3)  then again type 'net user jeff'.

4)  now u get details of jeff account.

5)  type 'net user jeff *'.then type new password of that account with giving old.