Let's assume that you have a directory "test" containing the following files:  [root@blackmod test]# ls -la
total 8
drwxr-xr-x.  2 root root 4096 2010-03-10 06:11 .
dr-xr-x---. 11 root root 4096 20 [ ... ]

This article describes how to write, compile and execute a "Hello World" program in Fortran on Linux (RedHat / Centos / Fedora).  1. the prerequisitesa text editor of your choice (e.g. vi)a Fortr [ ... ]