Redox OS Reimagines Access Control with Userspace Capabilities

This represents a significant architectural shift for OS design, moving security enforcement from the kernel to userspace capabilities—a model that enables finer-grained control in Redox's microkernel environment. The approach treats namespaces and file descriptors as capabilities, allowing system components running as separate processes to enforce security boundaries directly. This could set a precedent for how future operating systems balance security and modularity in distributed system design.