In this BSD Now episode, hosts Benedict Reuschling cover OpenBSD’s defensive approach to OS security, help us understand Syscall conventions for different platforms, discuss the mishandling of SMTP sender verification, show us how the cd command works, and talk about the LUA boot loader coming to FreeBSD. Click play below to tune in:

BSD now weekly content roundup: http://www.bsdnow.tv/episodes/2018_03_07-how_a_cd_works

Jupiter Broadcasting show notes: http://www.jupiterbroadcasting.com/123042/how-a-cd-works-bsd-now-236/