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Using Parted Magic to resize a partition

Parted Magic can be found here. You will also need to use something like UNetbootin which will install Parted Magic onto a USB or CD. It can be found here.

Once you have Parted Magic installed onto some type of media device (USB / CD) reboot the system you are going to use it on and load from the media. (Either from a boot menu that will automatically pop up or you may have to go into the bios and set it to read USB or CD-ROM first on the next boot, it all depends on your motherboard. Usually pressing one of the following will get you into bios or a boot menu: F12 or Delete)

You should be prompted with a screen like this:
Press Enter or allow it to automatically boot.
draalin 0 Parted Magic

Select “Partition Editor" as this is the application we will be using to resize our partition.
draalin 1 Parted Magic

Now select the drive that you wish to resize.
draalin 2 Parted Magic

Right click the partition you have selected and now click “Resize/Move"
draalin 3 Parted Magic

Here is the basic layout of your partition that you selected. (Remember that it shows you the sizes of everything in Megabytes, not Gigabytes on this screen)
draalin 4 Parted Magic

For our example we are going to change the 7.5 GB (7,679 MiB) partition down to 4 GB (4096 MiB). Once you enter the desired size press “TAB" as it will auto fill the free space. Now press “Resize/Move".
draalin 5 Parted Magic

“Apply" the changes with the green arrow at the top of the application.
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“Apply" again and now the wait begins!
draalin 7 Parted Magic

If everything is successful you should have a similar screen to this! Click “Close"
draalin 8 Parted Magic

As you can see our “/dev/sda" has now been resized from 7.5 GB (7,679 MiB) partition down to 4 GB. (4096 MiB)
draalin 9 Parted Magic

That was it; all done!

Extra

  • Additional Parted Magic information can be found here
  • If you are interested in figuring out how to clone a partition to another hard drive check out my other guide here

About Tyler Bailey

Tyler Bailey is a university student who owns and runs draalin.com. Follow me on