The Guide shows you How to Format the Partitions on Disk by Linux Command Line Tools.
All Steps are Clearly Delineated Reducing at Minimum the Eventuals Choices and Customizations to Make Clearer & Easier the Process.
So if you Have Some Doubt or Need Some More Insight you Should Consult the Official Online Documentation…
Just Relax & Take the Time of Carefully Reading and Executing the Instructions Contained Here and All should Work Like a Summer Breeze :)