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2. Fundamental Concepts > The Core Operating System: The Kernel

The Core Operating System: The Kernel

The term operating system is commonly used with two different meanings:

  • To denote the entire package consisting of the central software managing a computer’s resources and all of the accompanying standard software tools, such as command-line interpreters, graphical user interfaces, file utilities, and editors.

  • More narrowly, to refer to the central software that manages and allocates computer resources (i.e., the CPU, RAM, and devices).

The term kernel is often used as a synonym for the second meaning, and it is with this meaning of the term operating system that we are concerned in this book.


  

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