[Ubuntu >= 12.04] How to install Haskell Compiler


        
            
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            Installing haskell ( ghc ) compiler
Ubuntu 12.04
sudo apt-get install ghc6
Ubuntu >= 14.04
sudo apt-get install ghc
Create a Hello World Haskell Program file
sudo nano hello.hs
Write a Hello World Haskell Program
-- hello world example
main = putStrLn "Hello, World!"
Compile the haskell program
ghc hello.hs -o hello
Execute the haskell Program
./hello