Change your default system opening option using Ubuntu

There is lot of tutorial but I still meet some trouble, so I make a quick tutorial.

There is 5 step to change it clearly:

1.open your Terminal and input:sudo gedit/etc/default/grub

2.change the grub_default=0 to grub_default=4(if your want to enter the fifth Option,count from 0) in GRUB fil E

3.save it

4.close it

5.input sudo update-grub

Tips

1.sudo would authority you changing the grub file, without sudo your can ' t change it and update it.

2.you need to close the grub file so you can update it.

Change your default system opening option using Ubuntu