The links I have found refer to CD's.
Is there a recommended or good way to do this all from a USB Drive.
I need to do a wipe to clear saved data, i.e. a 'write' clean.
Then I'll reinstall.
You can just make a bootable usb with the downloaded linux Ubuntu iso image and then boot it.
Click on Try Ubuntu instead of install ubuntu.
You will enter the LIVE UBUNTU version(not installed.just running live for you to experience ubuntu)
In the menu there,start Gparted and format the drive using Gparted.
then you can install with the install ubuntu icon in the launcher
To install Unetbootin: