$ sudo apt-get update
$ sudo apt-get install haskell-platform-prof 

haskell-platform-prof is installed in your system.

Make ensure the haskell-platform-prof package were installed using the commands given below,

$ sudo dpkg-query -l | grep haskell-platform-prof *

You will get with haskell-platform-prof package name, version, architecture and description in a table

haskell-platform-prof package basic information: