Start menu configuration

From openmamba wiki

The Start menu is the choice requested to the user few seconds after the poweron of the PC, regarding which operative sistem start. Openmamba uses GRUB 2 as boot loader to start the kernel Linux and offers the choice to load via chainload others operative systems like Windows. To make more complex configuration, like booting to secondary hard disk or extended partitions is possible to install easily the boot manager GAG and configure a boot menu before GRUB 2.