Unix/Linux Introduction (2 day)

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Course Overview

The course will allow the delegate to understand the commands and mechanics of the Unix/Linux environment, manipulate shell interfaces, use the vi editor, list and manipulate system processes, communicate with other Unix users, control printing and manipulate file permissions.

Audience

Those who are completely new to the Unix/Linux environment or who wish to expand their very basic understanding of the subject. This is a generic course and is relevant for all versions of Unix including AIX, HP-UX, Solaris and all versions of Linux

Prerequisites

Delegates need no Unix knowledge, but a general familiarity with computers would be useful

Course Outline

UNIX Overview

• What is UNIX/Linux?
• Why Use UNIX/Linux?
• UNIX Good/Bad Points
• History of UNIX/Linux
• Uses of UNIX/Linux
• UNIX Features
• Components of UNIX

ACCESSING UNIX

• Logging In and Out
• Commands in the UNIX System
• Special Key Sequences
• On-line Documentation
• UNIX Networks

THE UNIX FILESYSTEM

• The UNIX Filesystem
• UNIX Directory Layout
• Some Shell Shorthands
• Listing Files
• Moving Around Directories
• Creating Directories
• Metacharacters (Wildcards)

USER SECURITY

• Passwords
• Users and Groups
• File Permissions
• Access Control Lists

FILE MANIPULATION

• Displaying the Contents of a File
• Copying
• Moving and Renaming Files
• Removing Files
• Imodes
• Links
• Comparing Files

THE vi TEXT EDITOR

• The Visual Editor
• Starting the Editor
• Editor Modes
• Command Mode
• Last Line Mode (ex)
• Searching and Replacing
• Tailoring vi and vim
• Editors in Graphical User Interfaces

PROCESSES

• Understanding the Process
• Background Processes
• Examining Processes
• Killing Processes

UNIX COMMUNICATIONS

• Who is Logged On?
• Sending Messages to Other Users
• Other Methods of Communication

INTRODUCTION TO THE BOURNE, KORN AND BASH SHELLS

• Environment Variables
• Command Substitution
• Escaping Metacharacters
• Recalling and Editing old commands
• The Alias Command
• Login Scripts

REDIRECTS, PIPES and FILTERS

• Standard Input and Output
• Pipes
• Filters

SEARCHING

• Overview
• The grep Command
• The find Command

PRINTING

• Printing
• Printer Status
• Berkeley Printer Commands

• Display Commands
• Date and Time Commands
• Handy Utilities

REGULAR EXPRESSIONS

• What are Regular Expressions
• Summary of Metacharacters
• Some grep examples

Unix/Linux Introduction (2 day) / LIN-IN2