Perform the following steps to use the demonstrations: 
               	 
            
 
            	 
             
               		
               - Create a new directory for the demonstration program and change to that directory. 
                  		
               
- Copy all the files from the directory 
                  		   
                     		  $COBDIR/demo/demo_name containing the demonstration program to the new directory. 
                  		
               
- Use the 
                  		  make command to compile the sample program and create the executable. 
                  		
               
- Run the program.