.img editing and el torito
 

hello

i want to make an el torito bootable cd
first question :

i have alredy a cd but i must edit this. everything is ok but initrd.img is not

how can i edit this initrd.img file ??

second question :

is there any document which tell to make el torito cd step by step
also with an exxample ???

and last :

how many ways to make el torito cd ???

thanks