So you have no fortran in your system. Please use the command *sudo apt-get install gfortran *to install gfortran, then use the command *gfortran optical.f -o optical *compile the optical utility. Hope this will work.
Younas Khan On Tue, Sep 8, 2015 at 2:34 AM, Soumaia Djaadi <[email protected]> wrote: > > Hi Younnas khan > I used the command: which fortran > [dell-inspiron@localhost ~]$ which fortran > /usr/bin/which: no fortran in > (/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/usr/sbin:/home/dell-inspiron/.local/bin:/home/dell-inspiron/bin) > [dell-inspiron@localhost ~]$ > Do must install the Fortran my system > > > > Regards > > Soumaia DJAADI > > > > > >
