The 80286 introduced "Protected Mode" in 1982. It was not popular. The mode was difficult to use, lacked paging, and offered no way to return to real mode without a hardware reset. The 80386, arriving three years later, made protection usable -- adding paging, a flat 32-bit address space, per-page User/Supervisor control, and Virtual 8086 mode so that DOS programs could run inside a protected multitasking system. These features made possible Windows 3.0, OS/2, and early Linux.
Universality is Key:
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（四）提供广告推广服务的，应当采取监测发现、防范、阻断、处置为违法犯罪活动提供广告推广，或者在广告服务中植入恶意代码、插入违法信息等的措施；
工程插件用于撰写总结、事故响应协调和部署清单制定。