How to Change Boot Options on Linux dual boot windows and linux

open terminal

type command:

sudo nano /etc/default/grub

then use arrow key to point to the line you want to amend

save you editign, press on keybaord: Ctrl + O

press Enter key

then type command:

sudo grub-mkconfig
sudo update-grub

Later, if you want to call the grub menu back out, you can hold right hand shift key on keyboard, press arrow key to choose different OS