X01. OS. 15: Beautiful movies

X01. OS. 15: Beautiful movies

Zhang bichen's learning in Korea is not a skill, but a basic skill: breath! Sound is carried by breath, like a real sound rather than a real sound, like a false sound is not a false sound, so you can sing better in the beautiful place. The same is true for programming. Basic skills are important: memory! The so-called Hacker master, a major means of attacks, is the use of Memory leakage.

Paper dollsOperating System:

If you look at the code, it is just a skin. However, the memory control capability cannot be underestimated.

* (Int *) 0x0fe8) = (int) p;

What is this? The memory is fully operated! Such examples are everywhere. In the description of program a. hrb, I opened it in a binary editor and operated it directly. With this capability, what else can't be done?

Paper dollsAndOrange'sIt is an excellent choice for learning the operating system. But to be practical, it is obvious that the author's intention is misunderstood. A minimum requirement for a practical operating system is that existing programs cannot be voided. This is also doomed to start from scratch. From the perspective of reference, Linux is a good choice.

Source code. You can Download x01.wos.2.zip from x01.Lab. Download. The z_tools tool is in x01.wos.1.zip. To use this function, you only need to put the extracted src and z_tools folders in the same directory. Then, go to src, double-click cmd. bat, and enter make and press Enter. Of course, make some adjustments and use make.exe in z_tools.