isolinux/syslinx/extlinux: with ,
kernel /boot/vmlinuz
append initrd=/boot/rootfs.gz,/boot/rootfs1.gz rw root=/dev/null vga=normal autologin home=f6b89c11-13b7-4739-b0e8-a113a44ac73e lang=en kmap=uk
grub4dos*: without ,
kernel /boot/vmlinuz rw root=/dev/null vga=normal autologin home=f6b89c11-13b7-4739-b0e8-a113a44ac73e lang=en kmap=uk
initrd /boot/rootfs.gz /boot/rootfs1.gz