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.
不过可以确定的是，当内容允许用户“改写命运”，叙事与产品之间的界限已经开始模糊。行业的边界又一次被重新打开，而这场试验的最终答案，仍需时间与市场给出回应。
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