We are able to partition in windows even after login in to it without using Live USB/CD. But in ubuntu its quite complex task. We need to have a Live USB/CD of ubuntu or GParted to be able to resize the partition. isn't there a gap ? isn't there a possibility to improve this ?

is there any way that can be done without Live CD/USB ?

  • 3
    "We are able to partition in windows even after login in to it" Oh? Try shrinking your C: drive to eliminate most of the available free space.
    – muru
    Sep 26 '18 at 7:25
  • @muru See answer... ;-)
    – Fabby
    Sep 26 '18 at 7:38

Any partition that is in use cannot be resized on any operating system:

  • On Ubuntu you can unmount any partition and resize it except the partition mounted to / (although you can still resize the filesystem on / to make it larger..)
  • On Windows you can do the same except %windir% (Usually C:)

However, on Ubuntu, you can even resize / with an Ubuntu Live USB/DVD whereas on Windows, you need to:

  • buy external tools
  • use the Ubuntu Live CD/DVD to resize the Windows system drive!


  • Turns out, you can also resize the filesystem mounted on / live if you're making it larger. Resizing the partition is a different story, though.
    – muru
    Sep 26 '18 at 7:40
  • 1
    @muru :D :D :D Crossed the T's (not dotting the Is and mentioning LVM) ;-)
    – Fabby
    Sep 26 '18 at 7:43

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