GParted The Complete Partition Editor For Linux
You can change working on drives by clicking on the box at top right corner saying “dev/sda”. The tweaks you want are available on different options at the menu bar.
Now let’s come to editing part.
Let us assume you want to create a new partition by deleting existing one. Select partition of your choice hit the delete key and it will be deleted. Now for creating a new partition select that first option on the menu bar that indicates “new”.
You will get the following options.