I talked with Payton Byrd (A2Command Creator) this afternoon via Facebook.
He is selling 5.25 and 3.5 inch disks of A2Command at a price of $2.00 each via Paypal.
He is a member of the Apple II Enthusiasts Group there.
His e-mail address is: payton@paytonbyrd.com
He is accepting orders. I bought a couple to try them out.
I also sent $4.00 for shipping as he did not have shipping price listed. I imagine if you ask when you e-mail him he'll tell you.
I used to use Norton Commander for PC's a long time ago and loved it. 