Urban Denon

After Leng Feng spent about ten minutes telling Xiao Yihan about Zhao Ruchang's life resume, Xiao Yihan said to himself: "It seems that this person is really good."

In the evening, in order to eliminate Xia Xiaoyu's inner fear, under Xiao Yihan's teasing, after the two had a spring breeze, Xia Xiaoyu relaxed physically and mentally, and soon fell into a deep sleep.

After Xia Xiaoyu fell asleep, Xiao Yihan slowly recalled the changes in his internal force just now. Since the first time, every time the two fell in love, the gas in Xiao Yihan's body would enter Xia Xiaoyu's body along his lower body, When he returned to his body, he became stronger. From this point of view, the Qi of Nine Yins and Vessels in Xiao Yu's body was still not completely eliminated. Yue Feng thought to himself, it seems that he needs to work harder.

Then Xiao Yihan walked into the study, turned on the computer, and practiced fingering for a while. Xiao Yihan found that his speed of typing letters seemed to be a little faster per minute. matter.

After Xiao Yihan's previous conception, the system he wrote generally includes two categories. On the one hand, defense, that is, the firewall, is extremely important, and this is his first portal.The second aspect is the operating system. The operating system is divided into two parts. One is tracking. The system can automatically track down the computer that wants to invade itself. The other is counterattack. Fight back.

At this time, Xiao Yihan took out a few CDs, which turned out to be Rising Firewall, Kingsoft Internet Dart, ZoneAlarm, Outpost Firewall Pro, and Mcafee. personal. firewall. plus. 2004 and other well-known firewalls at home and abroad.Xiao Yihan knows that although these things are good for preventing common viruses for ordinary users, it is a joke if they are used to resist hackers' intrusions.But when Xiao Yihan studied these firewalls one by one, he found that they were not useless, and that they could be recognized by the public. After entering the program, after two days of hard work and familiarity with c language, perl language and lisp language, the firewall written by Xiao Yihan finally came out. Xiao Yihan knew that although his firewall has been written now, it must still be incomplete. With the increase of network activities, it is necessary to improve in continuous practice.

Although Xiao Yihan is an expert in theory, there is still a big gap between theory and practice, and some things can only discover its shortcomings through practice.

Xiao Yihan asked Xia Xiaoyu to leave for a week. In the past few days, after Xiao Yihan's meticulous care and nightly yin and yang dual cultivation, not only did Xia Xiaoyu quickly walk out of the shadow of the sniper incident that night, but Xiao Yihan also found that The inexplicable gas in his body has grown stronger, and he can no longer feel it in his body as before. Now, as long as Xiao Yihan calms down, he can still feel its existence. Although Xiao Yihan doesn't know what that gas is, But Xiao Yihan was sure that the energy released by the qi in his body would definitely be beyond his expectations, but now Xiao Yihan didn't know how to use that qi.

When Xia Xiaoyu came out from the shadows, Xiao Yihan devoted himself to writing his own operating system. Xiao Yihan wrote the operating system with the principle of borrowing as the main means. After analyzing the windows operating system and the unix operating system, There are also a large number of so-called hackers' evaluations. The Unix operating system is the operating system used by the vast majority of hackers, and only a few or a few hackers will write their own operating systems.

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