====== grub ======
  * http://unix.stackexchange.com/questions/71555/boot-windows-from-grub-rescue-command-prompt

====== Boot process ======
  * https://wiki.archlinux.org/index.php/syslinux

===== Boot to a partition =====
==== Grub in MBR ====
  * create a primary partition so it can be made bootable.
  * install grub-install on it.
  * configure grub to boot other partitions.