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I am trying to make a bootable usb disk for a linux distro. The image files i downloaded is in parts like linux_dvd1of3.iso, linux_dvd2of3.iso, linux_dvd3of3.iso. I want to write these part iso files into usb to create a bootable usb disk. How can I make a bootable usb disk using these part iso files?

  • Are there only 3 parts? – Mitch Dec 22 '14 at 9:32
  • How large are each of the files? I would expect this: mount all 3, copy ISO 2 and ISO 3 to ISO 1. Create new ISO from ISO 1. – Rinzwind Dec 22 '14 at 10:45
  • I would use something like GParted to create three partitions on your USB, one for each iso. I haven't tried that but I think that will work. – duxk.gh Dec 22 '14 at 11:43
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1.First thing is merge three ISO files into one using ISO processing tools.

Go to this link for how to merge http://www.ehow.com/how_8771531_combine-multiple-iso-files-one.html

2.Then format your pen drive using NTFS format.

3.Extract the single Merged file directly to the pend-rive using power ISO. i.e. select destination as your pend-rive while burning or extracting image file.

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Firstly, you need to join all ISO in a single ISO. To do this, start mounting each ISO:

mkdir /tmp/dvd1 /tmp/dvd2 /tmp/dvd3
mount -o loop linux_dvd1of3.iso /tmp/dvd1
mount -o loop linux_dvd2of3.iso /tmp/dvd2
mount -o loop linux_dvd3of3.iso /tmp/dvd3

Now you can join all files:

mkisofs -o linux_dvd.iso /tmp/dvd1 /tmp/dvd2 /tmp/dvd3

The final step is to use unetbootin to create a bootable USB with your final image.

apt-get install unetbootin

P.S.: Run all commands as root.

As a normal user, use the unetbootin to create the bootable USB (it's simple, and has GUI).

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