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Introduction
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Unix Users Introduction Course
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Introduction
Why use an Operating System?
Introduction
The First Generation of Electronic Computers (1930-1955): Vacuum Tubes and Plugboards
The Second Generation of Computers (1955-1965): Transistors and Batch systems
The Third Generation of Computers(1965-1980): ICs and Multiprogramming
The Fourth Generation (from 1980): Personal Computers
Mark O. Stitson
Wed Sep 25 10:45:32 BST 1996