A Generic Overview
Approaching an operating system as a whole can be a bit overwhelming, so let's break it down a bit. Think of an operating system simply as a bootable piece of application code. True, it is a somewhat large piece of application code, and it employs many diverse and complex functionalities (even an abstracted form of self-modifying code), but in the final analysis it is still just an executable image!
A programmer must design and create data structures to store and manipulate data in a logical and efficient manner to support the operation and design goals of the program. An operating system designer faces the same challenge, only in spades. Understanding and identifying the resulting data structures and their interaction is a ...
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