Elias was a competent embedded developer. He knew his way around a device tree and could write a kernel module in his sleep—if that module was simple. But this interview was for the Core OS team. They didn't want "competent." They wanted a wizard. They wanted someone who understood the depths of memory management, the dark arts of the scheduler, and the intricate dance of the Virtual File System (VFS).
Experienced C programmers, system administrators, and software developers looking to contribute to the open-source kernel or develop proprietary code for corporate needs. Prerequisites: linux kernel internals and development lfd420 pdf hot