Linux Booting order change

etc_default_grub

# If you change this file, run 'update-grub' afterwards to update                
# /boot/grub/grub.cfg.                                                           
# For full documentation of the options in this file, see:                       
#   info -f grub -n 'Simple configuration'                                       
                                                                                 
GRUB_DEFAULT="1>3"                                                                                                                                                                                                                                                                                                      
#GRUB_HIDDEN_TIMEOUT=0                                                           
GRUB_HIDDEN_TIMEOUT_QUIET=true                                                   
GRUB_TIMEOUT=3                                                                   
GRUB_DISTRIBUTOR=`lsb_release -i -s 2> /dev/null || echo Debian`                 
GRUB_CMDLINE_LINUX_DEFAULT="quiet splash nomodeset"                              
GRUB_CMDLINE_LINUX=""                                                            
                                                                                 
# Uncomment to enable BadRAM filtering, modify to suit your needs                
# This works with Linux (no patch required) and with any kernel that obtains     
# the memory map information from GRUB (GNU Mach, kernel of FreeBSD ...)         
#GRUB_BADRAM="0x01234567,0xfefefefe,0x89abcdef,0xefefefef"                       
                                                                                 
# Uncomment to disable graphical terminal (grub-pc only)                         
#GRUB_TERMINAL=console                                                           
                                                                                 
# The resolution used on graphical terminal                                      
# note that you can use only modes which your graphic card supports via VBE      
# you can see them in real GRUB with the command `vbeinfo'                       
#GRUB_GFXMODE=640x480                                                            
                                                                                 
# Uncomment if you don't want GRUB to pass "root=UUID=xxx" parameter to Linux    
#GRUB_DISABLE_LINUX_UUID=true                                                    
                                                                                 
# Uncomment to disable generation of recovery mode menu entries                  
#GRUB_DISABLE_RECOVERY="true"                                                    
                                                                                 
# Uncomment to get a beep at grub start                                          
#GRUB_INIT_TUNE="480 440 1"                                                      
                                                                                                                                                                                                                                                                                                                        
####AFTER UPDATING SCRIPT#######
###sudo update-grub############