I was wondering if I could make an os-selecting-hardware-key or something like that.
I'm currently using a dual boot system (ubuntu 10.10 + win7) and i want to use an usb drive to specify the OS I want to boot. So if the usb key is plugged in during the boot, it will start one operating system, if it isn't, it will boot the other one.
I want to edit my currently installed grub to recognize only one OS, and install a second grub to the usb key, with the other OS in it. After that I just need to set up booting from the usb key in the BIOS. I may be completely wrong about it, but mainly I need some advices how to install grub(2) on the usb key.