Quick question. Erasing and reformatting my drive on a late 2008 from an USB flash drive with El Cap. Do I have to keep it plugged in while it does this process or do I have the option of going mobile?
There's an article floating around somewhere about the CIA being barely able to recover anything after a single 0ing out. I'd say you're overkill. Just do a regular format and you'll be good to go.
Not the article I was looking for, but it'll give you an idea.
Quick question. Erasing and reformatting my drive on a late 2008 from an USB flash drive with El Cap. Do I have to keep it plugged in while it does this process or do I have the option of going mobile?
Assuming you still have a spinner HDD, the process of writing zeros burns through the battery faster than normal activity plus the chance of hitting a bump while writing to the platter is more risk than I would take. What you want to do could be risky since it is unknown what type of internal drive, the charge level/condition of the battery, the duration of the drive, the quality of the roads, and how smooth/soft is the suspension on your vehicle.
I agree that a 3 pass of zeros seems like overkill.