-> placeholder: $1 is Linux partition UUID; $2 is EFI UUID

-> menuentry templates

menuentry 'Arch Linux' --class arch --class gnu-linux --class gnu --class os {
? load_video
? set gfxpayload=keep
? insmod gzio
? insmod part_gpt
? insmod ext2
? search --no-floppy --fs-uuid --set=root $1
? echo 'Welcome to Arch Linux!'
? linux /boot/vmlinuz-linux root=UUID=$1 rw loglevel=3
? initrd /boot/initramfs-linux.img
}
menuentry 'Microsoft Windows 10' --class windows --class os {
? insmod part_gpt
? insmod fat
? search --no-floppy --fs-uuid --set=root $2
? chainloader /EFI/Microsoft/Boot/bootmgfw.efi
}