$ sudo apt-get install ghc6 //install
$ ghci //run Haskell
Prelude> putStrLn “Hello World”
Prelude> Hello World //printing into standard output
……………………..
Prelude> :quit //quit from Haskell compiler+interpreter
///////////////////////////////////
creating a Haskell file, compile , run (load)
$ vi File.hs //create haskell file with .hs extension
$ ghci //start Haskell
Prelude> :load File.hs
*Main> File 10 // running File with argument = 10
……… another way from shell without running ghci first …
//compile and generate executable output file named outFile,
//assumed File.hs is already been created with a “main”
$ ghc -o outFile File.hs
$ ./outFile // run the executable
//use Tab for auto complete option for commands
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