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My laptop is dual booted with windows 10 and Ubuntu 16.04 LTS. I want to increase my root and home partition size without reinstalling Ubuntu or windows. I cannot part more than 4 drives in my laptop. My laptop was DOS. How can I increase partitions size for Ubuntu without losing data and re installing. I searched on google and found some software "gparted" but have no idea. Please help me. I don't want to boot from disk or usb again. I cannot do more partitions as I can only have at most 4 disk partitions :-

Primary partition (System reserved files)

C drive (windows)

Root (Ubuntu)

Home (Ubuntu)

Now what to do ?

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    Boot windows and reduce the size of your windows partition from within windows. Then boot a live CD , run gparted and add the unallocated space to your ubuntu partitions.
    – Panther
    Dec 31, 2017 at 16:55
  • But be carefull, starting point of \ partition must be the same. If not, Grub can't find it and you'll not be able to start ubuntu. I don't recomend increase root partition. \Home no problem. Why don't you not reinstall?
    – Tim
    Dec 31, 2017 at 18:29
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    @Tim that's usually overkill. And you can repair grub before you restart, if you do the resizing from a LiveCD you can then run update-grub from the LiveCD before rebooting, and Grub will have the updated partition layout data. (Also, reinstalling just to resize a partition is a bad practice...)
    – Thomas Ward
    Dec 31, 2017 at 18:32
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    @Tim, in this comment and in another post you used \ to denote paths. It should be / (for the root directory) and /home for the home directory.
    – PerlDuck
    Dec 31, 2017 at 18:34
  • I cannot do more partitions as I can only have at most 4 disk partitions. My laptop was DOS. I don't know why I can't have more than 4 partitions. This problem made it very hard to install Ubuntu first time.
    – Sid
    Jan 1, 2018 at 2:45

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