ls -ahl /usr/lib/grub
total 64K
drwxr-xr-x   4 root root 4.0K Aug 11 04:14 .
drwxr-xr-x 175 root root  20K Aug 17 12:21 ..
lrwxrwxrwx   1 root root   34 Jul 23 03:09 grub-mkconfig_lib -> ../../share/grub/grub-mkconfig_lib
drwxr-xr-x   2 root root  36K Aug 11 04:14 x86_64-efi
drwxr-xr-x   2 root root 4.0K Aug 11 04:14 x86_64-efi-signed