[Linux]修改開機順序

先下指令：

$ sudo gedit /boot/grub/menu.lst

修改裡面的default

# You can specify 'saved' instead of a number. In this case, the default entry
# is the entry saved with the command 'savedefault'.
# WARNING: If you are using dmraid do not change this entry to 'saved' or your
# array will desync and will not let you boot your system.
default 0

變成

default 4