grub

GRUB (GRand Unified Bootloader) is a multi-boot loader

Requires:

sudo bash -c "$(curl -LSs https://github.com/systemmgr/installer/raw/main/install.sh)"

Automatic:

bash -c "$(curl -LSs https://github.com/systemmgr/grub/raw/main/install.sh)"

Install:

sudo systemmgr install grub

Update:

sudo systemmgr update grub

grub wiki | grub site