Listing 1. Example pxelinux.cfg/default file

default 1
serial 0,9600n8
timeout 300
prompt 1
DISPLAY pxemenu.msg
F1 pxemenu.msg

LABEL 1
KERNEL vmlinuz
APPEND ro initrd=initrd.img quiet splash

LABEL 2
KERNEL unat
APPEND initrd=unatin.img z_user=guest z_password=guest z_path=//192.168.1.20/install