David Martinez Oliveira, aka Pico, has been writing code close to the metal since the 1990s, building software for computer vision, communications systems, laboratory equipment, and AR/VR/MR applications. A longtime GNU/Linux user, he explores security and low-level system internals both professionally and for fun.
""Heavy Wizardry 101 is a well-organized and accessible introduction to low-level programming in assembly for Linux, crafting multi-stage shellcode loaders, network and binary tools, and ELF binaries using only standard, open-source GNU command-line tools."" —Sergi Àlvarez i Capilla (aka pancake), Author of radare2