On one of my laptops, I'm dual booting Windows 7 and Ubuntu 12.04 with Grub2 as the bootloader.

I always forget what steps to take to "remember my last OS" when booting.

First, you need to modify /etc/default/grub:

sudo vi /etc/default/grub

By adding the following 2 lines:


After modifying this file, you need to update GRUB's configuration by executing the following 2 commands:

sudo grub-mkconfig
sudo update-grub

See the Ubuntu Grub2 Help Page or this Stack Overflow Answer

Tagged with: WindowsUbuntuDual BootGrubGrub2