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title aliases tags
13-OS-intro
cosc204
lecture

why learn OS

  • security
  • optimisation
  • wierd bugs
  • "crown of programming"
  • understand hardware better
  • embedded sys and IoT
  • co-design of hardware and software

what is an OS

big picture diagram|400

  • a program (also called OS kernel) loaded onto RAM first when pc is turned on
  • OS kernel (in kernel space)