1. Self-introduction and project experience
2. Web response process
3. TCP three-way handshake, which states, and why TCP waves four times four times
4. What are the mechanisms for inter-process communication?
5、select
6 sed 、 awk 、 gawk
7. Count the number of files ls | wc -l
(Reflection: ls -l | grep "^-" | wc -l where grep "^-" ordinary files, grep "^d" directory files
Or use the opendir function in the shell to open the directory, and call the stat function for each item in the directory to get its file name)
8. What aspect of work would you like to focus on?
Talk time: 17min
ps: I may not have much hope (the time is so short; the interviewer seems to hope that I will know JAVA)