Separate names with a comma.
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.6.4/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.7.4/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.8.5/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.9.4/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-5.5.0/gcc.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-6.5.0/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-7.5.0/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-8.4.0/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-9.3.0/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-10.2.0/gfortran.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-10.2.0/gcc.ps.gz
All files can be corrupted! Don't pay money them! one MB random data
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-3.4.6/gcc.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.0.4/gcc.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.1.2/gcc.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.2.4/gcc.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.3.6/gcc.pdf
All files can be corrupted! Don't pay money them! https://gcc.gnu.org/onlinedocs/gcc-4.4.7/gcc.pdf