Ok sorry for the misunderstanding.... now I understood what you were saying: I re-downloaded the file, and the shell is changed into /bin/bash... however it goes on not working when I do compile a program with fortran: can it be a problem related with "building" the program....? ![Screenshot 2019-10-19 at 23 33 21](https://user-images.githubusercontent.com/54480358/67151663-837f0a00-f2c9-11...)
![Screenshot 2019-10-19 at 23 36 20](https://user-images.githubusercontent.com/54480358/67151665-8974eb00-f2c9-11...)