--Sonic cleaning
Is there anything the Doctor can't do?
Does downloading these programs ahead of their broadcast in Australia constitute piracy if you're paying for the subscription television services that eventually broadcast them?
Yes it does.
Now, I've yet to see aviation and medical mission-critical software run on Linux.
I think you may want to revisit your statement. I used to work in a hospital. We had medical equipment that ran embedded Linux. I currently work for a bank. We have ATMs that run embedded Linux. Our CCTV system runs embeded Linux in the cameras. Did you know that a lot of banking mainframes run on Linux? I'd argue completely against your statement that no mission critical software runs on Linux.
Any sufficiently advanced technology is indistinguishable from magic. -- Arthur C. Clarke