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My computer has three operating systems: Windows 7 and two Ubuntu 13.10. Trying to explain: First of all, when I bought this computer, a Dell Inspiron, Windows 7 was incorporated. Some years later I downloaded the image 13.04 from www.ubuntu.com; as per its instructions I burned the iso on a dvd. By means of the BIOS the machine starts by the disk before the hard disk. Then, actually, when starting the computer appears a GRUB and anybody can choose either Ubuntu or Windows 7. Certainly Ubuntu was upgraded into 13.10. From www.ubuntu.cat I roughly did the same procedure but in Windows 7 I may select Windows or Ubuntu (wubi). At this point I would like to remove the first Ubuntu. How to do this?

Lluís Compte
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Don't worry, follow my instructions.

IMPORTANT NOTE: I suggest you to remove Ubuntu (Wubi) and not the real Ubuntu installation, because the real Ubuntu installation will always be faster: Ubuntu (Wubi) is installed as a Windows software and can be removed like any Windows application, from the Control Panel (if you remove Wubi you will lose any data saved in the Wubi virtual partition).

INSTRUCTIONS: To remove permanently the real Ubuntu installation with all its data, enter in the Ubuntu (Wubi) installation and with a partition software like gParted delete the real Ubuntu partition; you can also use a live DVD/CD with any distro installed to do the procedure.
You can execute Gparted Partition Editor from System -> Administration in Ubuntu systems or use the apposite gParted live CD (a safer alternative) by following this official guide (CLICK!).
After that reboot and test your in-use systems at least two times.

SUGGESTION: If you format the deleted partition's space with NTFS you'll be able to re-use it in both Windows & Linux (Linux will need extra support drivers & wrappers).

Click the up arrow if I'm of any help and feel free to comment down here if you need more help,

have a nice day. :-)

Lorenzo Ancora
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  • Hello Lorenzo, I could find this text: sudo apt-get install gparted and I am unable to find out any gParted in Ubuntu-wubi. Do you think the above sentence on the Terminal of the real Ubuntu could be remove it? – Lluís Compte Feb 28 '14 at 14:05
  • Simply install gParted does nothing, you must use it. If you can't find gparted, install it from your preferred packet manager or run directly "sudo apt-get install gparted" from any virtual terminal (xterm is fine): this will install gparted. You'll be able to start it later, like I said, from System -> Administration or from the console directly. Installing gParted on the real Ubuntu is useless, because it will be erased like any other partition's content: install & use it from Wubi's Ubuntu, the system that you want to preserve. Hope I'm clear, if I don't, insert another comment. :) – Lorenzo Ancora Feb 28 '14 at 16:20
  • I have followed your instructions. On the new Terminal Xtrim the orders were as you selected: sudo apt-get install gparted. Result: lack of permissions !, access denied, /var/ is locked. I don't find System -> Administration and on the System Settings all the above do not appear. – Lluís Compte Mar 04 '14 at 12:00
  • I didn't write of the system settings, but of GParted: it will appear in the menu when you will manage to install it correctly, don't worry. I don't know the exact output of your try but I suggest you to read this sudo explanation: https://help.ubuntu.com/community/RootSudo How to configure sudo: http://www.royhochstenbach.com/configuring-sudo-the-proper-way/
    In short: restart your system, check if sudo is configured correctly (read the link, if you inserted YOUR current user password and, if all fails, enable the root account and use it.     – Lorenzo Ancora Mar 04 '14 at 20:37