文章出自个人博客https://applelin8.github.io/2020/11/25/Operation-system，转载请申明

content

• Operation system
  • synopsis
  • glossary

Operation system

What’s an operating system? Files and File Systems

synopsis

Operating system

The whole package that manages our computer’s resources and lets us interact with it

glossary

• file system

  

  

• Process management

• Memory management

  Our kernel optimizes memory usage and makes sure our applications have enough memory to run.

  Host Machine

• I/O management

  input / output

  Anything that can give us input,or that we can use for output of data