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I know how much space is required to install Ubuntu.

How much space does a Ubuntu installation take up on the disk?

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What about the latest version of Ubuntu, version 14.04? How much space does it take up? – danwat1234 Apr 27 '14 at 9:09

According to installation procedure 4.5 GB approximately for Desktop Edition . It varies for Server edition and net-install .

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Please refer this System Requirements for more info.

Note : On a fresh install of Ubuntu 12.04 - 64 bits without any Graphic or Wifi drivers took approximately 3~ GB of File system space. And i guess 4.5 GB is recommended for Updating packages , Language packs , etc and best practical reason is for Ease and Smooth Usage of System avoiding Low memory kind of situations.

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+1 but, @Ryan Gauger keep in mind this is only for Ubuntu itself, if you plan on installing additional programs, the disk usage can easily end up being much more, 10GB is not an unreasonable assumption for a productive system. – TrailRider Jul 29 '12 at 18:09
+1, I would allow 10GB. It is awkward if you run out of space. – Richard Holloway Jul 29 '12 at 21:34

I have a VirtualBox running 12.04 LTS 64-bit Desktop that takes up 7.5G with full graphics, SW-dev, HTTP, SSH, LibreOffice

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I create separate partition usually 20-30GB for system(at least 10GB!). Later I create /home/xxx partition for left free disk space and I use it as my home directory. Under partitioning and installation I mount my partition as home folder. This allow you very easily to re-install whole Ubuntu without loosing your data & settings.

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I have installed ubuntu on a tablet pc (acer w700). According to system properties, it takes up 4.7 GB after updates. So it is far to say it is much more leaner and smaller than say windows.

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