> You can have complete understanding. No you can't. Nobody can. Literally. So you're using Windows right now. I suppose you know that a complete windows d

> You can have complete understanding. No you can't. Nobody can. Literally. So you're using Windows right now. I suppose you know that a complete windows desktop takes more than 200 millions lines of code ? That's about 10,000 books. If you really want _complete_ understanding of your system, you really have to read and understand 10,000 technical books. Let's say you learn really really fast, and you can read 1 book each week. That's about 50 books per year. Reading everything therefore would takes you 200 years. I suggest you sign up for cryonics, or donate to an anti-ageing research program. You may think counting actual lines of code is not fair, but what else? Systems have bugs and limitations that you need to be aware of, if you want to really comprehend them. Also, I have not counted the design of the hardware. Nevertheless, I think there is hope: http://vpri.org/html/work/ifnct.htm http://vpri.org/html/work/ifnct.htm