iraf_install script README

It would be better if you have installed tcsh and downloaded iraf-linux.tar.gz before you run this script.
And this script will NOT create a new user iraf

ref:

http://astroleaks.lamost.org/?p=1563 (Chinese)

http://geco.phys.columbia.edu/~rubab/iraf/iraf_step_by_step_installation