These docs are under active development and cover the v0.20 Kobicha security model.
Peios Learn

Linux compat

Concept
Understanding Linux Compatibility

How Peios projects Linux credentials from tokens and neutralizes DAC so the token-based security model governs all access.

 Concept
How Peios Eliminates Root

Why UID 0 carries no security authority on Peios and how specific privileges replace root's monolithic powers.

 How-to
Working with Linux Applications

Running unmodified Linux applications on Peios, handling root-refusing software, and diagnosing UID-related differences.