Quartus-ModelSim on Linux

Instruction Set to install and configure Quartus and Modelsim for Krypton Boards on 64 bit Linux systems

Untar the Quartus tarball.
Open up a terminal and change to that directory.
Open up the setup.sh file in an editor.
Change the fist line from #!/bin/env bash to #!/usr/bin/env bash
Run the file as ./setup.sh and follow the installation GUI.
Since we are on 64 bit Architecture , follow the steps here religiously to configure Linux for Quartus and Modelsim.
Go to the bin directory in ModelSim installation folder and try running ./vsim.
You have successfully installed Quartus and ModelSim on 64 bit Linux.