Shutdown Computer by setting Timer

Shutdown Your PC by setting Time:
  Naturally we use some applications to shutdown computer in certain time
If you are in some work Eg:if you are Downloading some large ammount of data
using torrent and it may takes a lot of time so you need to go out..... at the same time
(or) if you wanted to sleep your PC is running.....[then this trick is useful]
There are many methods as below:
Method 1: Creation of Batch file[.bat] files:
                   Step 1.open notepad by typing in RUN
                   Step 2.type(shutdown -s -t 60 -c "your computer is gooing to shutdown in one min")
                   Step 3.save the notpad file as (shutdown.bat)
                   Step 4.Batch file is created and double click on it and see "Magic" your computer will shutdown in one min by saying a message as pop up

Method 2:Creating a shortcut file:
                   Step 1:Right click on the Disktop click on NEW and sub option Shortcut click on it
                   Step 2:Then it asks some location then type(shutdown -s -t 60 -c "<comment>")
                   Step 3:Then click Next button then it asks some name then type as u wish
                   Step 4:Soo shortcut file is created
Command:shutdown<space>-s<space>-t<space><seconds><space>-c<"comment">