Main index

Introducing UNIX and Linux

UNIX and Linux Design and Organisation

Overview
The Kernel and Shell
Files
      Networks
Technical Basics
      Bits, Bytes, Words and Characters
      ASCII Characters
How to get Linux
Summary

Summary

• The kernel is the core of the UNIX operating system.
• The shell is the interface between the kernel and the user.
• Data inside a computer is organised in bits, bytes, words, characters and files.
• There are several different shells and character codings.