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Before you read too far, I know how to make a single drive bootable utilizing one ISO.

However, I have a USB3 1TB drive that's nice and self-powered, and I was wondering if I partitioned it properly, could I, in theory, turn those partitions into bootable devices for troubleshooting? Using tools like Unetbootin/Rufus.

Ideally, I think it would be pretty damn cool to have 3 partitions dedicated to ISOs that I might need, so that I only need one drive to boot from Linux, Windows 7, or 8.1. It would also make backup/installing a cinch. It might even be interesting to see if I can add UBCD or Hiren's Boot Disk to the mix.

I was thinking dedicated a gig to Ubuntu's ISO, 4 gigs to Windows 7, and another 4 gigs to Windows 8.1. Is this feasible?

The information I found so far is not really conclusive about multiple ISO images, and so far I haven't found much promising. The reason I'm asking instead of just trying is because I'd be backing up my entire 1TB drive before touching any of the partitions, and before I embark on that, I'd like to know if it's even possible and/or realistic.

Thanks!

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  • Assuming you can get all of them working from a external drive on their own, then there is nothing stopping you putting more than one on, it'll just be standard dual booting.
    – cjb110
    Apr 14, 2014 at 12:04

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Yes you can in theory, but multibooting Windows is heaps trickier than Linux. Load Windows first, then load your Linux distros. It just comes down to setting up GRUB2 properly I should think.

http://www.techspot.com/community/topics/how-to-install-and-boot-windows-on-an-external-usb-hard-drive.116114/

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