Chapter 3

Introducing linux

Abstract

This is an introduction to the salient features of Linux and Unix-style operating systems in general. We begin with a brief tour of KDE, the K Desktop Environment. We review memory management, and describe the differences between “real mode” and “protected mode.” The Linux process model is described, followed by a detailed examination of the file system. We describe the Linux command shell and some of its more useful features, and finally cover man and info, two tools for getting help from Linux.

Keywords

KDE; memory management; protected memory; root file system; filesystem hierarchy standard; command shell; shell script

There are two major products to come out of Berkeley: LSD and Unix. We don’t believe this ...

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