Step 1: Before going to create a batch file, 1st u have to know its purpose::

1. Batch file extension is example.bat

2. This file will works with command prompt and to execute user requested commands.

Step 2: now we want to create a shortcut for opening paint, notepad, cal

At a time by clicking a single application it`ll open these above 3 applications

Step 3: open notepad and type the below 3 commands…

Start notepad

     Start cal

     Start mspaint

Step 4: now save it as shortcut.bat

Step 5: now run this file it`ll execute above three applications

Step 6: now u can enjoy this trick to create no. of shortcuts.