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Operating system

5:16

What is an Operating System as Fast As Possible

5:43

Types of Operating Systems as Fast As Possible

13:36

Operating Systems: Crash Course Computer Science #18

1:31

Computer Basics: Understanding Operating Systems

3:30

How Do Operating Systems Work?

An operating system (OS) is system software that manages computer hardware and software resources and provides common services for computer programs.
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  • Single-tasking and multi-tasking 

  • Distributed 

  • Templated 

  • Embedded 

  • Real-time 

  • Library 

  • History 

  • Mainframes 

  • Microcomputers 

  • Unix and Unix-like operating systems 

  • BSD and its descendants 

  • macOS 

  • Linux 

  • Microsoft Windows 

  • Other 

  • Kernel 

  • Interrupts 

  • Modes 

  • Memory management 

  • Virtual memory 

  • Multitasking 

  • Disk access and file systems 

  • Device drivers 

  • Networking 

  • Security 

  • User interface 

  • Graphical user interfaces 

  • Real-time operating systems 

  • Operating system development as a hobby 

  • Diversity of operating systems and portability