Change Grub Default Boot Entry on Linux Mint

I’m dual booting Windows and Linux Mint on my laptop. The grub default is to boot into Linux Mint, however many people will probably want to either boot the last boot entry saved, or boot into Windows instead. My preference is for grub to select by default and boot into whatever boot entry was selected last. This makes it easy if I want to just hit reboot and know that I’m going to load into the last used operating system. Boot into last booted Operating System: FYI: This won’t work if your boot partition resides on BTRFS file system. GRUB_SAVEDEFAULT=