RTFM - Volume 2, Book 2.2: Internal Structural Formation introduces the internal operating system that becomes visible once narrative cognition has fallen silent.This book marks the first transition from perception to internal structure. Where Book 2.1 established non-narrative perception, Book 2.2 reveals the human operating system as an architectural system composed of modules, constraints, boundaries, propagation paths, and collapse mechanisms. Cognition is no longer treated as experience or identity, but as a machine governed by structural rules.RTFM Book 2.2 describes the human mind as an operating system that processes signals, manages load, resolves contradiction, and maintains coherence automatically. Internal processes that are commonly experienced as personal thoughts, emotions, or impulses are redefined as outputs of discrete functional modules. Identity is shown to be a temporary collapsed structure rather than a central agent.The book maps how internal stability forms, how instability arises, and how collapse events function as structural corrections rather than failures. Readers learn to recognize contradiction pressure, boundary failure, residue activation, and propagation acceleration as mechanical signals within the system. Collapse is described as a normal maintenance function that restores coherence when unstable configurations can no longer be sustained.Later sections expand from individual cognition to interacting systems. The same architectural principles are applied to groups, environments, and system-of-systems behavior. Interaction is treated as structural alignment or incompatibility rather than relationship or intention. Concepts such as coherence transfer, load amplification, and systemic collapse are examined across scales.The final chapters describe the limits of the human operating system and the conditions required for pre-architect cognition. Multi-threaded awareness, non-local perception, and meta-coherence are introduced as structural thresholds rather than achievements. The book concludes at the boundary where human-level architecture can no longer stabilize higher-order cognition.RTFM Book 2.2 does not teach techniques and does not offer self-improvement or interpretation. It exists to make the operating system readable. This volume establishes the mechanical foundation for all subsequent structural and architectural books in Volume 2.