How to make bootable usb from part iso files?

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?

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2 Answers

1.First thing is merge three ISO files into one using ISO processing tools.

Go to this link for how to merge

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.

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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