Installation of LFS 6.1 has been finished. Now I'm going to edit /etc/grub.conf of the FC3 Host making dual boot at starting the PC.
I found LFS Kernel = lfskernel-220.127.116.11
The path to the kernel image........
On 8.3. Linux-18.104.22.168
Where can I find its initrd .img and the kernel parameter.