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Execution environments that operate entirely within a single processor privilege level to eliminate context switching.
Distinct from Zero-Overhead: Distinct from Zero-Overhead: focuses on the architectural privilege level (Ring 0) rather than just the absence of runtime checks.
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ZealOS is a 64-bit operating system designed for bare-metal deployment and custom kernel development. It provides a self-contained environment that operates within a single-address-space memory model, where all software executes in a ring-zero privilege level to eliminate context switching and facilitate direct hardware interaction. The system distinguishes itself through a monolithic architecture that integrates just-in-time compilation, allowing source code to be translated into machine instructions during runtime. It bypasses traditional abstraction layers by utilizing direct hardware memo
Executes all software at the highest processor privilege level to simplify inter-process communication and remove context switching overhead.