This book provides detailed and comprehensive comments and explanations on all source code of the early Linux kernel (V0.12)
Civil Infrastructure Platform CIPカーネルは、LTS版Linuxを基にしており、LTSライフサイクル中はLTSプロジェクトと協力して、またLTS終了後はCIPによって独自にメンテナンスしていきます
LK (Little Kernel) is a tiny operating system suited for small embedded devices, bootloaders, and other environments where OS primitives like threads, mutexes, and timers are needed, but there’s a desire to keep things small and lightweight.
OSTree is a system for versioning updates of Linux-based operating systems. It can be considered as "Git for operating system binaries".