修改默认启动系统

gedit /boot/grub/menu.lst

找到

default 0

/*

0对应 Ubuntu 9.04, kernel 2.6.28-11-generic

默认选中xp的话，default改成4

*/

## ## End Default Options ##

title Ubuntu 9.04, kernel 2.6.28-11-generic

uuid 6a1541ec-fd07-4aa7-b17e-03a0dd9f05b2

kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=6a1541ec-fd07-4aa7-b17e-03a0dd9f05b2 ro locale=zh_CN quiet splash

initrd /boot/initrd.img-2.6.28-11-generic

quiet

title Ubuntu 9.04, kernel 2.6.28-11-generic (recovery mode)

uuid 6a1541ec-fd07-4aa7-b17e-03a0dd9f05b2

kernel /boot/vmlinuz-2.6.28-11-generic root=UUID=6a1541ec-fd07-4aa7-b17e-03a0dd9f05b2 ro locale=zh_CN single

initrd /boot/initrd.img-2.6.28-11-generic

title Ubuntu 9.04, memtest86+

uuid 6a1541ec-fd07-4aa7-b17e-03a0dd9f05b2

kernel /boot/memtest86+.bin

quiet

### END DEBIAN AUTOMAGIC KERNELS LIST

# This is a divider, added to separate the menu items below from the Debian

# ones.

title Other operating systems:

root

# This entry automatically added by the Debian installer for a non-linux OS

# on /dev/sda1

title Microsoft Windows XP Professional

rootnoverify (hd0,0)

savedefault

makeactive

chainloader +1