This is the notes of second half of Computer System Engineering course, which goes through the basic idea of Network, Security and Distributed Computing.

This doc collects some experience or methods to solve some tricky problems.

This is the notes of first half of Computer System Engineering course, which mainly covers the concept in file system, especially distributed file systems. Here is part of the material I prepared for the mid-term examination, which is also helpful for studying.

This is the note of the course SE2301(Introduction to Computer System 1) taken in the autumn semester in 2024. The course is based on the book CSAPP and mainly covers the first half part of the book. (Since taken during the course, the notes may seems messy. )