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I installed Ubuntu 18.10 and windows 10 as dual OS but whenever i restart from one of the OS i will be given an option to choose the operating system to boot or Ubuntu boot automatically after some seconds. I will love to make the last OS used to boot automatically how can i do this?

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1 Answer 1

Reset to default
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This will make GRUB remember the last OS that you booted, and will boot to that same OS until you change it at the GRUB menu.

Edit /etc/default/grub

Add/change the following lines near the top...

GRUB_DEFAULT=saved # change existing line

GRUB_SAVEDEFAULT=true # add this line

Then, in terminal...

sudo update-grub

reboot

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