problem with mkisof

[Pierre Etzel <petzel@xxxxxxxxxxxx>]

hi all
i use cdrecords

i am trying to make a bootable cd but i don't find the mkisofs option to 
make it could someone help me (my cd is allrigth but he doesn't boot) 
here is my command :
# mkisofs -r -J -T -v -V "Redhat 7.2 LOS" -c boot.cat -b images/boot.img 
-o /images-dest/i386-disc.iso /home/isomatic/NEWISO