I am new on MacmacOS and I want to split disk to into 2two parts in order to keep my data files in the new part and just in case I need to reinstall my Mac,macOS. To prevent my files to be deleted.
For this purpose, I am followinglooking at this this official Apple page:
But, I am not sure if creating volume instead of partition would be suitable for my scenario especially when I need to reinstall my Mac (tomacOS to keep my files). Any idea?