-dracut-kernel is used to pull in all firmware files to build an initrd with
-only kernel modules and firmware files.
-
-dracut --kernel-only only executes "installkernel" in the modules
-subdirectories.
+"dracut --kernel-only" is to build an initrd with only kernel modules and firmware files.
+"dracut --kernel-only" only executes "installkernel" in the modules subdirectories.