https://gfortran.org/co_array_fortran
gfortran.org
gfortran
https://manpages.ubuntu.com/manpages/jammy/man1/x86_64-linux-gnux32-gfortran-9.1.html
Ubuntu Manpage: gfortran - GNU Fortran compiler
GNU Fortran compiler
gnu fortranubuntumanpagegfortrancompiler