Open-Source Software Architecture
Open-Source Software Architecture Table of contents:- The kernel: the engine at the centre The layered stack: from hardware to applications Licensing: the architectural glue of open source Open-source hardware and the expanding ecosystem Conclusion There is a quiet elegance to the way open-source operating systems are put together. Whether you are running FreeBSD on a production server, Debian on a workstation, OpenBSD on a firewall, or a custom Linux distribution on an embedded device, the same fundamental architectural ideas run through all of them. Understanding those ideas is not just for kernel hackers — it is genuinely useful for anyone who installs, administers, builds on, or simply relies on open-source software. So let us walk through it properly. The kernel: the engine at the centre Every open-source operating system is built around a kernel — the privileged core of software that owns the hardware and mediates everything else. The kernel is what runs in protected mod...
