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Thread: Ubuntu iso image

  1. #1
    Join Date
    Jun 2012
    Beans
    15

    Ubuntu iso image

    Hi,
    I downloaded the 64 bit version of ubuntu 12.10 and I noticed that the size of the file (800.1 MB) is different to the one that is downloadable straight from the server (750 MB or something like that)
    Why is this the case?
    Thanks

  2. #2

    Re: Ubuntu iso image

    It is possible that the way sizes are calculated differ (for some 1024kb = 1mb and 1024mb = 1gb etc.) while others go (1000kb = 1mb and 1000mb = 1gb).

    Please note that I am not using kb, mb or gb correctly as I am not sure now the correct way of writing them to mean what they should.

    If you are in doubt if the iso you downloaded is correct do a checksum on it: https://help.ubuntu.com/community/HowToMD5SUM


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  3. #3
    Join Date
    Sep 2007
    Location
    England / U.S.
    Beans
    277
    Distro
    Ubuntu 12.10 Quantal Quetzal

    Re: Ubuntu iso image

    Quote Originally Posted by brian8765 View Post
    Hi,
    I downloaded the 64 bit version of ubuntu 12.10 and I noticed that the size of the file (800.1 MB)
    Where from? From Canonical it's ~763MB.

    Quote Originally Posted by brian8765 View Post
    is different to the one that is downloadable straight from the server (750 MB or something like that)
    What server?

    If you're comparing the iso from the upgrade option then it could just be that the upgrade version doesn't require every file again.

    Bottom line: Download directly and check MD5sums. If they match you're good to go, don't worry about the finished download size.
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