change your default system opening option using Ubuntu

Posted 2020-10-14 甜豆儿

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

There are 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 you want to enter the fifth option,count from 0) in grub file

3.save it

4.close it

5.input sudo update-grub

tips:

1.sudo will authority you changing the grub file, without sudo you can‘t change it and update it.

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

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