Show and Tell: Jack pinouts for mono vs. stereo audio https://www.amazon.com/GELRHONR-6-35mm-Splitter-Gelrhonr-Adapter-5PCS/dp/B095PFC753 The demo I broke Files! Alright, let's just open one and print it out like we're programming in C I think part of the point of the book was to use system calls Can we convert our program to do that? read: 3 open: 5 close: 6 Parameters are like the C wrappers Order: rax, rbx, rcx, rdx Piece of cake, right? Printing: We can use write ice: Print filename before the actual contents