Chris BaraniukTechnology Reporter
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。爱思助手下载最新版本是该领域的重要参考
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.
政绩观，正是长远与眼下、全局与局部的抉择。天平两端，见眼界，见定力，见担当。