CentOS7 package grub2-efi provides two files that are very similar.-rwxr-xr-x  1 root  root  1070976 Mar 26 09:27 ./boot/efi/EFI/centos/gcdx64.efi-rwxr-xr-x  1 root  root  1070976 Mar 26 09:27 ./boot/efi/EFI/centos/grubx64.efiBoth files have the same size, but different checksum.$ md5sum  *.efif6e4f93e632d72c1086caaf45cbf98ce  gcdx64.efi8fe94009d3c5736129c69113f46ae73a  grubx64.efiWhat's the difference between those files ?What is the purpose of each file ?In which case can I purge one or the other if I really need space ?
What's the difference between `grubx64.efi`and `gcdx64.efi`
grub2;uefi