Harbin Institute of Technology Li Zhijun operating system lecture notes-1. What is an operating system
Structural diagram (the structural level of the computer):
A computer that only contains computer hardware is called a "bare metal"
Operating system management hardware: CPU management, memory management, terminal management, disk management, file management, network management, power management, multi-core management
Learning the level of the operating system:
Finally, I would like to give you a word:
Learn OS concepts by coding them！