that is not kernel part. begin from that ok part is user space init part.
for rh, u can see /etc/rc.sysinit. it defines each step's action and actual command. it is runable script invoked by /etc/inittab, which is called by init process.
i think 后字符界面不要全部是白色的字,而是彩色 is possible. but i do not know how to do. but u can check some other linxu distribution, which use color text all the time.