Linux Fundamentals

Course Code: LF

Duration: 5 days

 
 

Linux Fundamentals 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.

This 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. This course is not suitable for C shell programmers.

Exercises and examples are used throughout the course to give practical hands-on experience with the techniques covered.

Course Objectives

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

Who will the Course Benefit?

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.

Skills Gained

The delegate will learn and acquire skills as follows:

  • 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, including regular expressions (regex)
  • 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

Linux Fundamentals Training Course

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 Linux and UNIX
  • The Linux kernel
  • The Linux 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

Linux Fundamentals Training Course

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

  • Searching and replacing text using the vi editor
  • Using regular expressions (regex)
  • Using sed for search and replace
  • Searching for text with grep, egrep and fgrep
  • 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

Linux Fundamentals Training Course

Session 8: FILTERING TEXT

  • Overview
  • The cut command
  • An introduction to awk
  • The nl command
  • Exercises: Filtering Text

Session 9: PROCESSES

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

Session 10: THE USER ENVIRONMENT

  • Customising the .profile or .bash_profile
  • Customising the .kshrc or .bashrc
  • Exercise: Setting up an environment

Session 11: MORE BASIC COMMANDS

  • The find command
  • Using xargs command
  • The locate command
  • The df command
  • The cut command
  • The sort command
  • Finding duplicate content
  • The pinky command
  • Exercise: More Basic Commands

Linux Fundamentals Training Course

Session 12: UNIX COMMAND REVIEW

  • Basic Unix commands
  • General commands
  • File and directory handling commands
  • Filename generation characters and regular expressions (regex)
  • I/O Redirection features
  • Other commands

Session 13: 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 14: 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 15: INTEGER ARITHMETIC

  • Using the expr command
  • Using the (( )) notation
  • Exercise: Add integer arithmetic to a shell script

Session 16: HANDLING RUN TIME DATA

  • The read command
  • Command line arguments
  • Exercise: Writing a generic shell script
  • Exercise: Writing an interactive shell script

Session 17: CONDITIONAL EXECUTION

  • The if statement
  • The test command
  • Exercise: Adding validation to previous scripts

Session 18: ADDITIONAL KORN, BASH & POSIX SYNTAX

  • Other test notations
  • Default and substitute variables
  • Exit status codes
  • Exercise

Linux Fundamentals Training Course

Session 19: 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 script to copy files using a 'for' loop
  • Exercise: Writing a script to generate numbers with the 'while' loop

Session 20: MULTI-BRANCH DECISIONS

  • The case statement
  • Menu driven applications
  • Exercise: Developing and writing a menu system

Session 21: FUNCTIONS

  • What is a function?
  • Syntax
  • Examples
  • Exercise: Add a function to a script

Session 22: INTERRUPT HANDLING

  • Interrupt signals
  • Trapping interrupts
  • Exercise: Adding traps to the menu script

Session 23: ADDITIONAL FEATURES AND FACILITIES

  • The exec commands
  • The includes notation
  • More about loops
  • Arrays
  • Here Documents
  • Exercise: Create a here script
Notes:
  • Course technical content is subject to change without notice.
  • Course content is structured as sessions, this does not strictly map to course timings. Concepts, content and practicals often span sessions.

Examinations

This course helps delegates prepare for the following exam:

  • Linux Essentials (LPI, exam 010-160)

This course, together with the Linux System Administration (LPI & CompTIA) course, helps delegates prepare for the following exams:

  • Linux Administrator (LPIC-1, exams LPI 101-500 and LPI 102-500)
  • CompTIA Linux+ (exams LX0-103, LX0-104 and XKO-004)

Attending this course will help delegates gain many of the skills and product knowledge requirements as outlined in the exams objectives. Studying these courses and their associated reference materials can form part of the preparation to achieve certification. Experience, practice, self-study and aptitude are also key requirements for exam success.

Before taking any exam, ensure you have the recommended experience. The LPI and CompTIA websites lists all exam requirements and these are updated regularly.

Exams are not included as part of the course.

Requirements

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

Course Reviews

Great course. John was excellent and explained everything perfectly.

William - Automation Engineer - Utilities - July 2021


Mark is certainly one of the best tutors I have come across, really helpful, keeps things simple and to the point, does exactly what it says on the tin :) Really enjoyed the course, thankyou!

Asif - Networks & Security Infrastructure Analy - Housing Association / Managed


Really enjoyed the course, Mark was very good in explaining and knows the course really well which helps. Good examples given and explained. 10 out of 10

Mohammed - ICT - Housing Association / Managed


Really great course, I would recommend this to any beginners.

Chris - Senior Linux Engineer (SMART Metering) - Broadcasting/TV/Film/Music


This is one of the best courses I have been on so far. The instructor was very patient and knew the content well and didn't put any pressure for the work to be done. There wasn't a hurry and we covered a lot of material in a practical and memorable way however there was too much content to cover in the amount of time we had.

Haider - Research


The trainer has been an exceptional tutor and has been very supportive throughout the whole week. He has provided me with all the course detail with help along the way to areas I have potentially struggled with. Not only this, but he has also at times provided some extra knowledge to expand my learning which is greatly appreciated.

Mitch - DevOps Engineer


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