prerequisities:
apt-get install libreadline-dev
apt-get install libx11-dev
apt-get install libxt-dev
apt-get install gfortran
make & make install
--without-x for non X window environment
prerequisities:
apt-get install libreadline-dev
apt-get install libx11-dev
apt-get install libxt-dev
apt-get install gfortran
make & make install
--without-x for non X window environment