Linux Fundamentals

Course

Online

£ 1,495 + VAT

Description

  • Type

    Course

  • Methodology

    Online

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. 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. Learning Objectives To provide the skills needed to work productively in a LINUX environment to develop and customise shell programs. he delegates will practise: Creating, copying, renaming, moving and deleting files and directoriesUsing the shell's redirection and pipe facilitiesEditing text files using the vi editorSetting and changing access permissions on filesMonitoring and controlling their own processesUsing the basic file and text searching utilitiesCustomising their own login environmentWriting simple scripts to enhance basic command outputUsing the various shell quoting mechanisms appropriatelyManipulating shell variables and user-defined variables in scriptsImplementing conditional execution facilitiesUsing the shell's built-in loop constructs where appropriateWriting scripts to trap user interruptsUser defined FunctionsDeveloping menu-driven shellscripts

About this course

An understanding of IT is required.

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Subjects

  • Operating System
  • Writing
  • Unix
  • Linux
  • Access

Course programme

Course Contents - DAY 1Course 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
Course Contents - DAY 2Session 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
  • 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
Course Contents - DAY 3Session 8: PROCESSES
  • What is a process?
  • Monitoring processes
  • Killing processes
  • Background processes
  • Job Control
  • Grouping commands
  • Exercise: Monitoring and controlling processes
Session 9: THE USER ENVIRONMENT
  • Customising the .profile or .bash_profile
  • Customising the .kshrc or .bashrc
  • Exercise: Setting up an environment
Session 10: MORE BASIC COMMANDS
  • The find command
  • The cut command
  • The sort command
  • The finger command
  • Exercise: Using file handling commands
Course Contents - DAY 4Session 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
Course Contents - DAY 5Session 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 script to copy files using a 'for' loop
  • Exercise: Writing a script to generate numbers with the 'while' loop
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

Linux Fundamentals

£ 1,495 + VAT