Hi Younnas khan no results, this is erreur message and fortran compiler installed in my system
[dell-inspiron@localhost Optical]$ gfortran optical.f -o optical bash: gfortran: command not found... [dell-inspiron@localhost Optical]$ man -k fortran ctags (1p) - create a tags file (DEVELOPMENT, FORTRAN) fort77 (1p) - FORTRAN compiler (FORTRAN) [dell-inspiron@localhost Optical]$ Regards Soumaia DJAADI
