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Update Grub (Linux)

Change GRUB default selection and pause time to select preferred OS​

Most of the time Ubuntu will be the first option in the grub on booting, below this, most probably in the 3rd or 4th position there will be Windows.

Go to Linux OS (mine, Ubuntu)

  • Open Terminal (ctrl+Alt+T)

  • Type sudo nano /etc/default/grub and enter

  • Now type in your password

    • Change the line GRUB_DEFAULT=0 to the line number which your required OS is lying (count from 0)

  • Exit nano using Ctrl+X Y Enter

  • Finally, update grub using sudo update-grub