As a commenter touched on above, these languages are purely for "golfing". Programming golf is when you challenge yourself to solve a problem in the fewest char

As a commenter touched on above, these languages are purely for "golfing". Programming golf is when you challenge yourself to solve a problem in the fewest characters possible. Golfing languages therefore, are languages where the aim is to jam as much common functionality into single characters as possible. There is no real practical use for them.