操作系统保护硬件中断-它是如何工作的？

OS guard on hardware interrupt - how does it work?

youdao

自由访问控制(DAC)是大多数操作系统保护机制的核心，DAC的安全性研究关注对象的权限是否被泄漏给未授权主体。

Discretionary access control (DAC) is the kernel of most protection mechanism, and the research on safety of DAC concerns whether rights can be leaked to unauthorized subjects.

youdao

实际上，帐号、密码和权限只能在遵守固定规则的操作系统环境中保护您的数据。

The fact is accounts, passwords, and permissions can only protect your data in the context of an operating system that obeys stated rules.

youdao