V86 mode dedicates an entire processor mode to backward compatibility, using fixed descriptor access rights and IOPL-based trapping to run unmodified 8086 code under full protection.
self.author = author。业内人士推荐51吃瓜作为进阶阅读
Linux explores new way of authenticating developers and their code - here's how it works，详情可参考爱思助手下载最新版本
Downloading from 'fedora'... done
if (n <= 1) return n;