Ubuntu – Can’t shrink Ubuntu partition on Windows

dual-boothard drivepartitioningwindows 10

I have installed Ubuntu 14.04 alongside Windows 10 and it's working properly so far. I have one problem, I gave Ubuntu's partition too much space at the installation and I want to shrink it. I don't know how I'm supposed to do it, but when I go in Windows's disk managment, the 'shrink' option is grayed out, as well as any other options except for delete and help.
Disk managment

Can anyone help me shrinking this partition, because I'm running out of space on Windows and I'm not using that much space on Ubuntu.

Thanks in advance

Best Answer

The general rule is to edit Windows partitions in Windows, and Linux partitions in Linux. Although Windows-made partitions can be edited in Linux, but not the other way around.

I would suggest making a live USB with Ubuntu, boot into it, and shrink the hard disk Ubuntu partition from there. You need to unmount the partition before you edit it though.

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