Is it only the BOLD part that I insert my customisation or do I have to do it in all 3 APPEND sections ?

DEFAULT vmlinuz
APPEND ramdisk_size=100000 init=/etc/init lang=us keyboard=es xkeyboard=es screen=800x600 floppyconfig apm=power-off hda=scsi hdb=scsi hdc=scsi hdd=scsi hde=scsi hdf=scsi hdg=scsi hdh=scsi vga=791 initrd=miniroot.gz nomce quiet BOOT_IMAGE=knoppix
TIMEOUT 300

PROMPT 1
DISPLAY boot.msg
F1 boot.msg
F2 f2
LABEL knoppix
KERNEL vmlinuz
APPEND ramdisk_size=100000 init=/etc/init lang=us keyboard=es xkeyboard=es screen=800x600 floppyconfig apm=power-off hda=scsi hdb=scsi hdc=scsi hdd=scsi hde=scsi hdf=scsi hdg=scsi hdh=scsi vga=791 initrd=miniroot.gz nomce quiet BOOT_IMAGE=knoppix
LABEL knoppix-txt
KERNEL vmlinuz
APPEND ramdisk_size=100000 init=/etc/init lang=us keyboard=es xkeyboard=es screen=800x600 floppyconfig apm=power-off hda=scsi hdb=scsi hdc=scsi hdd=scsi hde=scsi hdf=scsi hdg=scsi hdh=scsi vga=normal initrd=miniroot.gz nomce quiet BOOT_IMAGE=knoppix
LABEL expert