Linux Introduction

Prerequisites:

There are no formal pre-requisites for this Linux Introduction training course, although an understanding of and exposure to information technology and an understanding of operating systems are required.

Course Description:

This Linux Operating System training course introduces the delegate to the main concepts of the LINUX Operating System.The most commonly used commands and utilities are described in detail as are the command line wildcard and redirection facilities.

The course discusses the mechanisms by which a user acquires a login environment and the main features of the Bash shell are introduced.

The delegate will practise:

• Creating, copying, renaming, moving and deleting files and directories
• Using the shell's redirection and pipe facilities
• Editing text files using the vi editor
• Setting and changing access permissions on files
• Monitoring and controlling their own processes
• Using the basic file and text searching utilities
• Customising their own login environment

This course includes the following modules:

Introduction to the Linux Operating System

• A brief history of UNIX
• The UNIX kernel
• The UNIX file system
• Getting started navigating the file system
• The file system structure
• Directories and files
• Pathnames
• Navigating the file system
• Exercise: Logging on to the system
• Exercise: Navigating the file system

Basic Commands

• Command line syntax
• Basic file handling commands
• Basic Directory handling commands
• Filename wildcard characters
• Exercise: Manipulating files and directories

Redirection and Pipes

• Input redirection
• Output redirection
• Pipes
• Exercise: Using redirection and pipe facilities

Introduction to the vi Editor

• Overview of the vi editor
• Basic functions
• Switching to input mode
• Other useful commands
• Exercises: Using the vi editor

Searching and Replacing Text

• Replacing text
• Using the vi editor
• Using sed for search and replace
• Searching for text with grep
• Linking files
• Exercises: Searching and Replacing Text

Recalling and Editing Commands

• Overview
• The bash shell
• The korn shell
• Exercises: Recall and Edit Commands

File Permissions and Access Control

• Users and user groups
• File access permissions
• Changing file attributes
• Switching users and user groups
• Linking files
• Exercise: Setting and access permissions

Processes

• What is a process?
• Monitoring processes
• Killing processes
• Background processes
• Job Control
• Grouping commands
• Exercise: Monitoring and controlling processes

More Basic Commands

• The wc (word count) command
• The find command
• The cut command
• The sort command
• The finger command
• Exercise: Using file handling commands

The User Environment

• Customising the .bash_profile file
• Customising the .bashrc file
• Exercise: Setting up an environment