It is a "machine -readable code" in the form of numbers and a pattern of parallel lines of varying widths, printer on and identifying a product.
Bar code systems help businesses and organizations track products, prices, and stock levels for centralized management in a computer software system allowing for incredible increases in productivity and efficiency.
So you can generate own your bar code for use with items and products.
Click on Commerce > Bar Code List Menu :
You will get page :
You can 'Add Bar Codes List' . Fill info for bar code & click on Get Barcode to get the list b/w range of your given numbers.
You will get the records of bar code, i.e. :