One more thing: Pulseaudio allows me to record audio from all applications, not just the ones that were built specifically with dumping audio to a file in mind.

One more thing: Pulseaudio allows me to record audio from all applications, not just the ones that were built specifically with dumping audio to a file in mind. Maybe this is possible in JACK, I don't know, I don't care: It worked for me in Pulseaudio and not in JACK, which means Pulseaudio is more practically useful. Now insult my knowledge of Unix again, O person who didn't know what Busybox was until a few hours ago.