file-path:: ../assets/ostep_1680491762166_0.pdf

- virtualization, concurrency, and persistence
  ls-type:: annotation
  hl-page:: 1
  hl-color:: yellow
  id:: 642a452b-2dc9-4566-b8a8-95f0caa7b8e3
- didactic 道德说教的；教诲的；
  hl-page:: 2
  ls-type:: annotation
  id:: 642a7c33-ca04-447a-a357-88236d0b9360
  hl-color:: green
- Cramming 填塞；填鸭式用功；考试前临时硬记
  hl-page:: 3
  ls-type:: annotation
  id:: 642a80b7-43a1-40ba-ad01-815cb171572f
  hl-color:: green
- fond 喜爱（尤指认识已久的人）；喜爱（尤指长期喜爱的事物）
  hl-page:: 4
  ls-type:: annotation
  id:: 642a80ef-5f31-422a-8227-3842faa4eb8d
  hl-color:: green
- the operating system as a virtual machine, standard library and resource manager
  hl-page:: 25
  ls-type:: annotation
  id:: 642bb88b-f481-4af6-afb6-7375d37654ce
  hl-color:: yellow
- illusion 错觉，幻象
  hl-page:: 27
  ls-type:: annotation
  id:: 642bb978-1efe-418e-8894-8493bfd4f6bb
  hl-color:: green
- virtualizing the CPU: run many programs at the same time
  hl-page:: 27
  ls-type:: annotation
  id:: 642bb9c2-efb8-4960-a7bd-36afe1cc0b1d
  hl-color:: yellow
- virtualizing memory: each process accesses its own private virtual address space
  hl-page:: 29
  ls-type:: annotation
  id:: 642bbaae-582b-4b1c-bc60-e709931085e7
  hl-color:: yellow
- intricate 错综复杂的
  ls-type:: annotation
  hl-page:: 33
  hl-color:: green
  id:: 642bbca9-67e2-45d3-a131-968df46c0cef
- heyday 全盛时期
  ls-type:: annotation
  hl-page:: 39
  hl-color:: green
  id:: 642bc0e8-ee33-46a6-bf83-407cc1e64737
- incredulous 不肯相信的；不能相信的；表示怀疑的
  hl-page:: 45
  ls-type:: annotation
  id:: 642bc1b3-459e-4e76-b36c-406daba96726
  hl-color:: green
- The definition of a process, informally, is quite simple: it is a running program
  ls-type:: annotation
  hl-page:: 47
  hl-color:: yellow
  id:: 642bc39c-f56a-488f-a751-1532e413d474
- To implement virtualization of the CPU, low-level machinery and some high-level intelligence.
  hl-page:: 47
  ls-type:: annotation
  id:: 642bc417-a3af-4132-b4b9-9fec9749fc9b
  hl-color:: yellow
	- mechanisms are low-level methods or protocols that implement a needed piece of functionality
	  hl-page:: 47
	  ls-type:: annotation
	  id:: 642bc41d-8b68-46d9-908e-ab14b53a859b
	  hl-color:: yellow
	- Policies are algorithms for making some kind of decision within the OS
	  ls-type:: annotation
	  hl-page:: 48
	  hl-color:: yellow
	  id:: 642bc579-a1cc-4b67-a8c5-5a33f274c634
- inventory 库存；财产清单；
  hl-page:: 48
  ls-type:: annotation
  id:: 642bc8a9-1a7d-4236-86ce-65b0498e9e01
  hl-color:: green
- three states of a process: Running Ready Blocked
  hl-page:: 51
  ls-type:: annotation
  id:: 642bd104-6b57-44f2-9f10-e5107a926079
  hl-color:: yellow
- nitty-gritty 本质；事实真相；实质问题
  hl-page:: 55
  ls-type:: annotation
  id:: 642c279e-0187-4175-abfb-5fcf4e534ae8
  hl-color:: green
- KEY PROCESS TERMS
  ls-type:: annotation
  hl-page:: 56
  hl-color:: yellow
  id:: 642c27e3-d7d6-41d8-9832-73674615a246