Instruction Set Architecture

So base on different machine/computer architecture, there are following Instruction Set we need to learn. Thanks to John  von Neumann, I guess the types of machines is actually reduced by him.

IA-64 (Itanium)

MIPS

IBM 700/7000 series

–System/390

–z/Architecture

Power Architecture

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Operating System

Here is a reminder of current popular/representative Operating System run in our daily life, I hope I can spend some time to install them in Virtual environment, the classification is not regulate, just for a personal note only.

UNIX BASE:
-UNIXWare  (Commercial)
-BSD  (I don’t see a...

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Secure BT

A secure BT is needed. we needed ssh to replace telnet. We also needed BTS to replace BT :)

Goal:

  1. Stop packet injection from “legal” party Checksum is included by sender, if anyone sending packets which is difference from others ban this user Maintain a ban user list which is cons...

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Criteria of constructing virus

A computer virus is called a virus, but not bacteria since they maintained some “features” from a phyaical virus. Successful virus is regarded as an disaster of human beings. Belows are some “features” for a good computer virus.

Multiply, In order the spread out the virus, the virus should be able to spread out through internet or phone, just like a cold to spread out in air. The traditional virus like AIDS can only be spread through sexual intercourse or blood which is regarded as an failure of virus, the same situation applied to some old virus which can only be attached to I/O like floppy.

Mutation, a mutation is regarded as a must in the real world, however computer virus require AI for this feature. Which seems to be very difficult, huh? If a virus can mutate from time to time, the possibility of being recognized by doctor or anit-virus software can be reduced.

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Most needed websites

A common LOGIN system that provided unique login ID and password, such that using this unique ID and password can get you login to every website. It exist such system but seems not very success.

A website/forum that store Idea and user have quick response on it. Like wikipedia, but it’s base on ...

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