Operating systems notes

What an Operating System Actually Is

Two views of one program: the friendly face on top, the ruthless referee underneath. Every section is a drawn page beside a clear written explanation, about 16 minutes in all.

  • Chapter 1 of 37
  • About 16 minutes
  • 6 sections

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The first drawn page of What an Operating System Actually Is: Two views of the same program
The chapter's first page: Two views of the same program

In this chapter

  • Two views of the same program
  • Abstraction: turning ugly hardware into clean ideas
  • Resource management: sharing one machine among many
  • The kernel and the privilege line
  • The OS as an extended, virtual machine
  • Where operating systems live

Next chapters

Read the whole chapter

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