I've just installed and booted to Ubuntu from my bootable USB, which is originally 8 GB USB.

Now when I'm looking at the USB size I can only find 1.1 GB partition?

Is Ubuntu really taking up 7 GB from my USB or am I missing something?

  • What Ubuntu image is it? How big is the image? – wjandrea Mar 18 '18 at 21:05
  • sounds about right if you installed – Panther Mar 18 '18 at 21:16
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    ubuntu is only using 1.1 GB of the 8GB the rest is unallocated.You can't see the rest, because the image was burnt without a partition table – ravery Mar 18 '18 at 21:16
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    How did you "install" Ubuntu exactly? You downloaded the ISO and "burned" it to the USB? Not really the same as installing, but you can allocate the rest of the space after booting into "Try Ubuntu" mode, to use for persistent storage. – dobey Mar 18 '18 at 21:19
  • @wjandrea it is Ubuntu 16.04.01, The ISO was ~1.5GB – Idan Mar 19 '18 at 12:21

The partition on the USB drive is only as big as the Ubuntu image you burned to the drive. (I'm guessing the size is inconsistent because some things show it in megabytes and others in mebibytes.) The rest of the space would need to be partitioned before it's accessible; you could use GParted to do that.

Ultimately, where you want to set up a portable OS, you should refer to one of these questions, depending on your needs:

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