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I'm a newbie. I have recently installed Ubuntu 14.04 on my Dell Vostro 3446. I want to partition my storage so that after installing a different OS (if I ever need to do it), I don't lose data, similar to a separate partition in Windows for data files (C:\ contains the OS files, and D:\ contains data).

I can't find any satisfactory/clear description on google search on how to do this. I have already read a lot of articles which describe how to do partitioning during installation but i want to partition after installing Ubuntu. A detailed description for this will be greatly appreciated.

Thank you.

Edited Update: Screenshot added without output to questions in the comments. enter image description here

edited updateenter image description here

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  • To be clear: You installed Ubuntu as only operating system, you used the default partitioning scheme using the complete hard drive and you now want to add another partion for data? The output of the following commands would be useful: sudo fdisk -l (shows the current partioning) and df -l -x tmpfs -x devtmpfs (shows the sizes and mount points of all currently mounted local file systems, excluding temporary ones)
    – Adaephon
    Oct 24, 2014 at 7:06
  • @Adaephon yes,you are right.
    – kashish
    Oct 24, 2014 at 7:14
  • @Adaephon kashish@kashish-Vostro-3446:~$ df -l -x tmpfs -x devtmpfs Filesystem 1K-blocks Used Available Use% Mounted on /dev/mapper/ubuntu--vg-root 476261416 4993072 447052588 2% / /dev/sda1 240972 84986 143545 38% /boot kashish@kashish-Vostro-3446:~$
    – kashish
    Oct 24, 2014 at 7:15
  • dropbox.com/s/qpeh1jd7oa142y6/…
    – kashish
    Oct 24, 2014 at 7:24
  • @Adaephon dropbox.com/s/jaiwjbskxh826n9/…
    – kashish
    Oct 24, 2014 at 7:25

2 Answers 2

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You could use GParted Live to partition your storage.

http://gparted.org/download.php

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  • yes, i have installed it from software center ,but i dont know how it will work.detailed description is what i need. thank you for your reply.
    – kashish
    Oct 24, 2014 at 7:17
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    You are forced to boot GParted Live from a CD, if you want to partition the storage with the Ubuntu partition. On Youtube are many great tutorials. Search for "gparted live tutorial".
    – Julien B.
    Oct 24, 2014 at 7:31
  • thank you.i will look for that. meanwhile tell me that dropbox.com/s/gc68py0ewx84qop/…. what does "create as primary partition" and align to mib mean and where will they be created?
    – kashish
    Oct 24, 2014 at 7:33
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    Why GParted Live and not standard Ubuntu Live (which has GParted installed)?
    – muru
    Oct 24, 2014 at 8:24
  • Ubuntu Live with Gparted would work, too. But it's more easy to use a simple Gparted Live since you have lots of other disc tools in there.
    – 0xAffe
    Oct 24, 2014 at 8:47
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You can use GParted for this. But you cannot tamper the partition on which the ubuntu is running. That means you need to boot from a live cd. Use a live cd or create bootable pendrive using lili. And boot from it. Then using GParted, you can edit the partitions. Feel free to delete create or shrink partition, but be carefull when you hit the apply button. Hope it helps.

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