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Thread: Dual boot, go to single boot

  1. #1
    Join Date
    Feb 2009

    Dual boot, go to single boot

    Hi guys,

    I was wondering, this person I know wants to try ubuntu, but not remove windows, so knowing that windows is partition 1, and ubuntu would be partition 2. now, he eventually will switch entirely to ubuntu, at which point he would like to reclaim his space in partition 1. which is the best option?

    1- resize partition 1 to the smallest possible (8mb) and resize partition 2?


    2- remove partition 1 and resize partition 2, in which case, how would that affect ubuntu/grub?

  2. #2
    Join Date
    Feb 2008
    Decatur, GA
    Ubuntu 13.04 Raring Ringtail

    Re: Dual boot, go to single boot

    I would say Option 1, then do a fresh install when the person is ready to switch completely. I think a fresh install avoids the issue completely (making sure to back up all data, etc. before the switch - but you know that ).
    yeats - Ubuntu 13.04

  3. #3
    Join Date
    Nov 2007
    Okieville, USA
    Ubuntu 10.04 Lucid Lynx

    Re: Dual boot, go to single boot

    I would say option 2 giving the Ubuntu partition the boot flag.
    MCP, A+/Linux+ Certified IT Technician
    System Specs | Dress up your "Super Button" FREE
    "If sometimes you can't be good, then be VERY good at being naughty!"

  4. #4
    Join Date
    May 2007
    Virginia, USA
    Ubuntu Mate Development Release

    Re: Dual boot, go to single boot

    If you're going to do a fresh install, option #2.

    The complication is that GRUB uses UUIDs in its boot configuration file, and if you change the number of partitions, the UUID will change -- but not be updated in your menu.lst file unless you do that manually.

    Thus, without a reinstall, option #1 retains the UUIDs and you won't have to mess with the menu.lst file.

    But if you reinstall, you'll be creating a new menu.lst file anyway, so in that case, it doesn't matter.

  5. #5
    Join Date
    Apr 2008
    Kubuntu 9.10 Karmic Koala

    Re: Dual boot, go to single boot

    My vote:

    option #3: Reformat partition 1 to ext3 and use it as a Data partition.


    Having a separate Data partition is a good thing by itself.
    Since you will not touch the Ubuntu partition, there is virtually no chance of corrupting your Ubuntu Partition
    Will only take a few minutes.

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