+Privilege Level defines the scope of operations a process can execute within a [CPU](/wiki/cpu) or [Operating System](/wiki/operating_system). It forms a tiered hierarchy, protecting critical system resources from unauthorized access and maintaining stability. Higher levels, such as the [Kernel](/wiki/kernel), wield extensive control, while lower levels operate with limited permissions.
+## See also
+- [Ring 0](/wiki/ring_0)
+- [System Call](/wiki/system_call)
+- [Memory Protection](/wiki/memory_protection)