Object-capability Systems
These operating systems are all engineered around a different paradigm of security, object-capabilities, where instead of having the system deciding if an access request should be granted (usually through one or several access control lists), the bundling of authority and designation makes it impossible to request anything not legitimate.
- KeyKOS
- EROS
- CapROS
- seL4
- Fiasco.OC
Read more about this topic: Security-focused Operating System
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“What avails it that you are a Christian, if you are not purer than the heathen, if you deny yourself no more, if you are not more religious? I know of many systems of religion esteemed heathenish whose precepts fill the reader with shame, and provoke him to new endeavors, though it be to the performance of rites merely.”
—Henry David Thoreau (1817–1862)