Resizing partition

[Ralf Mardorf]

On Thu, 2019-06-13 at 03:20 +0200, Clinton Tinsley wrote:
> I normally boot with a live CD/DVD (the installation DVD) and then verify that there
> are not "mounted" partitions on the drive that I am going to modify the partition
> table on.
> 
> Once this is done, then GParted should work for you.

Regarding https://gparted.org/features.php GParted can't grow or shrink
Apple File System (APFS).

"GParted supports the following actions on file systems:
File system|Detect   |Read 	   |Create 	 |Grow 	       |Shrink 	     |Move     |Copy 	 |Check        |Label        |UUID
apfs 	   |supported|not supported|not supported|not supported|not supported|supported|supported|not supported|not supported|not supported"