It is necessary to put a cold and false. I plan to see the << Operating system: design and implementation (second edition) >>, self-study << Mathematical analysis new lecture >>. Practice can be a bit tight, but as long as it is not a minute No problem. The most important thing is to exercise my brain thinking ability, and logical thinking. I also bought two books: GCC Technical Reference Daquan and FreeBSD Using Daquan (2nd Edition). I have to go to the old evil. Freebsd's disc, then wait for this book to start! Haha ~~ Although I want to get a full GNU system, I really want to experience freebsd, there is no way, wait for time to get it again ... this year's winter special Cold .....