[Discover] PLoP - Bootmanager - Free Boot Manager, builtin usb driver, native usb, boot different operating ... http://www.plop.at/en/bootmanager.html
(usb tools bootmanager os) 
[Discover] Moisander: Boot USB http://moisander.se/bootusb.html (usb boot)
[Discover] SourceForge.net: Files http://sourceforge.net/project/showfiles.php?group_id=104188 (grub boot dos)
[Discover] 仙石浩明の日記: initramfs (initrd) の init を busybox だけで書いてみた http://blog.gcd.org/archives/51053466.html (linux boot kernel initramfs)
[Discover] USBブート推進協議会 http://orz.kakiko.com/kaeru/usbboot.html (usb windows os tips)
[Discover] The PC Repair Toolkit in your Pocket: Boot CD on a USB Stick | MakeUseOf.com http://www.makeuseof.com/tag/the-ultimate-pc-repair-toolkit-in-your-pocket-ultimate-boot-cd-on-a-usb ... (tools usb hardware software)
[Discover] Moisander: Boot USB http://moisander.se/bootusb.html (usb boot)
[Discover] SourceForge.net: Files http://sourceforge.net/project/showfiles.php?group_id=104188 (grub boot dos)
[Discover] 仙石浩明の日記: initramfs (initrd) の init を busybox だけで書いてみた http://blog.gcd.org/archives/51053466.html (linux boot kernel initramfs)
[Discover] USBブート推進協議会 http://orz.kakiko.com/kaeru/usbboot.html (usb windows os tips)
[Discover] The PC Repair Toolkit in your Pocket: Boot CD on a USB Stick | MakeUseOf.com http://www.makeuseof.com/tag/the-ultimate-pc-repair-toolkit-in-your-pocket-ultimate-boot-cd-on-a-usb ... (tools usb hardware software)