Linux FundamentalsCourses > Technical IT Training > UNIX > Linux Fundamentals

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Duration: 
5 Days - £1595
Course ID: 
n/a

This Linux Operating System and Bash Shell Programming training course introduces the delegate to the main concepts of the LINUX Operating System. The most commonly used commands are described in detail as are the command line wildcard and redirection facilities. The mechanisms by which a user acquires a login environment are discussed and the main features of the Bash shell are introduced. The course is designed to give delegates practical experience in developing and writing shell scripts.

Linux Fundamentals

Duration

5 days

Course Overview

This Linux Operating System and Bash Shell Programming training course introduces the delegate to the main concepts of the LINUX Operating System. The most commonly used commands are described in detail as are the command line wildcard and redirection facilities. The mechanisms by which a user acquires a login environment are discussed and the main features of the Bash shell are introduced.
The course is designed to give delegates practical experience in developing and writing shell scripts. Most of the built-in Bash shell commands are introduced together with the main program control structures.

Course Objectives

To provide the skills needed to work productively in a LINUX environment to develop and customise shell programs.

The delegates 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
•    Writing simple scripts to enhance basic command output
•    Using the various shell quoting mechanisms appropriately
•    Manipulating shell variables and user-defined variables in scripts
•    Implementing conditional execution facilities
•    Using the shell's built-in loop constructs where appropriate
•    Writing scripts to trap user interrupts
•    User defined Functions
•    Developing menu-driven shellscripts

Target Audience

There are no formal pre-requisites for the Linux Fundamentals course, although an understanding of and exposure to information technology is advantageous.
Programmers, administrators and support personnel who need to understand the LINUX Operating system, existing shellscripts, automate procedures and write their own utilities.

Prerequisites

A basic understanding of IT is required.

Course Contents

DAY 1

Course Introduction
Administration and Course Materials
Course Structure and Agenda
Delegate and Trainer Introductions

Session 1: INTRODUCTION TO THE LINUX OPERATING SYSTEM
A brief history of UNIX
The UNIX kernel
The UNIX file system
A login session
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         

Session 2: BASIC COMMANDS
Command line syntax
Basic file handling commands
Basic Directory handling commands
Filename wildcard characters
Exercise: Manipulating files and directories

Session 3: REDIRECTION AND PIPES
Input redirection
Output redirection
Pipes
Exercise: Using redirection and pipe facilities

DAY 2

Session 4: INTRODUCTION TO THE vi EDITOR
Overview of the vi editor
Basic functions
Switching to input mode
Other useful commands
Exercises: Using the vi editor
Exercise: Using more advanced vi features

Session 5: 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         

Session 6: RECALLING AND EDITING COMMANDS
Overview
The Bash shell
The Korn shell
Exercises: Recall and Edit Commands

Session 7: 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

DAY 3

Session 8: PROCESSES
What is a process?
Monitoring processes
Killing processes
Background processes
Job Control
Grouping commands
Exercise: Monitoring and controlling processes

Session 9: 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         

Session 10: THE USER ENVIRONMENT
Customising the .profile or .bash_profile
Customising the .kshrc or .bashrc
Exercise: Setting up an environment

DAY 4

Session 11: UNIX COMMAND REVIEW
Basic Unix commands
General commands
File and directory handling commands
Filename generation characters
I/O Redirection features
Other commands

Session 12: GETTING STARTED
What is a shell script?
Development guidelines
Creating and editing shell scripts
Naming and storing shell scripts
Executing shell scripts
Exercise: Write a simple shell script

Session 13: USING VARIABLES
Environment variables
Local variables
Assigning values to variables
Assessing variable values
Using quotes
Delimiting variable names
Echo control sequences
Exercise: Add variables to a script         

Session 14: INTEGER ARITHMETIC
Using the expr command
Using the (( )) notation
Exercise: Add integer arithmetic to a shell script

Session 15: HANDLING RUN TIME DATA
The read command
Command line arguments
Exercise: Writing a generic shell script
Exercise: Writing an interactive shell script

Session 16: CONDITION EXECUTION
The if statement
The test command
Other test notations
Default and substitute variables
Exit status codes
Exercise: Adding validation to previous scripts

DAY 5

Session 17: LOOP CONSTRUCTS
The while loop
The until loop
The for loop
The while true and until false loops
Loop control commands
Exercise: Enhancing the previously written scripts
Exercise: Writing a guess-the-number game

Session 18: MULTI-BRANCH DECISIONS
The case statement
Menu driven applications
Exercise: Developing and writing a menu system

Session 19: FUNCTIONS
What is a function?
Syntax
Examples
Exercise: Add a function to a script         

Session 20: INTERRUPT HANDLING
Interrupt signals
Trapping interrupts
Exercise: Adding traps to the menu script

Session 21: ADDITIONAL FEATURES AND FACILITIES
The exec commands
The includes notation
More about loops
Arrays
Here Documents
Exercise: Create a here script

Please call 0141 221 5676 for course information and available dates or email us at info@indiciatraining.com.

Please contact us and we will be happy to offer further assistance.