UNIX/Linux Shell Scripting Training Course

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Duration Duration

14 hours (usually 2 days including breaks)

Requirements Requirements

The course is only suitable for those who have a good working knowledge of UNIX or have attended the Introduction to UNIX course.

Overview Overview

This 2 day course gives an introduction to the writing of UNIX Shell scripts using the Korn and Bash shells and to the more advanced features of UNIX including the batch editor sed and the text file processing language awk.

Although based on the Solaris version of UNIX running on a desktop PC, the principles learnt may be applied to all other versions of UNIX including Linux, AIX, HP-UX and SCO.

The course takes the format of a workshop, with a mix of lecture, working examples and practical exercises. Although the content may be customised, at least 1 day is normally needed to cover the core elements.

Full course notes are provided along with sample script files and free software tools for use in accessing a UNIX server.

Course Outline Course Outline

Introduction

  • Objectives
  • Course Schedule
  • Course Introductions
  • Pre-requisites
  • Bibliography
  • Delegate Responsibilities
  • Course Summary

Review of Basics - optional

  • Files
  • Directories and Processes
  • Displaying Directories - ls
  • Getting Help - man
  • Displaying Files - cat, more
  • Simple Commands
  • Piping - using | symbol
  • Redirection - using > symbol
  • Redirection - using >> symbol
  • Redirecting Input - using < symbol
  • Redirecting Errors
  • Using /dev/null
  • Foreground Jobs
  • Background Jobs - &
  • Stopping Jobs - kill
  • Special Files - . and ..
  • The Command Prompt - PS1
  • Creating Aliases
  • Using Aliases
  • Command history
  • Command Line Edit - using Arrow Keys
  • Command Line Edit - using vi
  • Customising the Shell
  • The Home Directory - HOME
  • The Working Directory - pwd
  • Changing Directories - cd
  • Make Directory - mkdir
  • Remove Directory - rmdir
  • Interactive Copy - cp -i
  • Interactive Move - mv -i
  • Interactive Remove - rm -i
  • Removing Directories - rm -r
  • Wild Cards - File Name Generation
  • Word count - wc
  • Finding Files - find
  • Finding Text in Files - grep, sort, cut, uniq, tr
  • Changing Permissions - chmod

Shell Programming

  • Creating Shell Scripts
  • Testing the Command
  • Creating the Script File
  • Adding Execute Permissions
  • Testing the Script
  • Running the Script - time
  • Running the Script - dot
  • Running the Script - exec
  • Running the Script - ksh
  • Debugging the Script
  • Passing Parameters
  • The read Command
  • Using read in Scripts
  • Choosing the Shell
  • Tidying The Output
  • Suppressing Input - stty

Special Characters and Variables

  • Quotation Marks
  • Quoted Strings - ", '
  • Escape Character - *
  • Quoted Strings - `
  • Using $(...)
  • System Variables - set
  • Other Special Variables
  • User Variables
  • User Variables - unset
  • Variables in Scripts
  • Typeset Command
  • Integer Variables
  • Special Constructs

Creating Menus

  • Conditions - case
  • Creating a Menu
  • Iteration - while, until
  • Holding the Output - sleep
  • Holding the Output - dummy read
  • Ending the Script
  • Ending the Loop
  • Hidden Option - forking a shell
  • Trapping Interrupts - trap
  • More on Interrupts
  • Highlighting Text- tput
  • Positioning the Cursor - backtab \b
  • Korn Shell Menu

Selection

  • Conditional Testing
  • Testing File Attributes
  • Testing File Permissions
  • Multiple Tests - Nested ifs
  • Multiple Tests - elseif
  • The NOT Condition
  • Multiple Conditions in One Test
  • Testing Strings
  • Using Square Brackets
  • Avoiding Null Input
  • Testing Numbers
  • More on case
  • Displaying Variables
  • Placing Spaces
  • Testing Commands

Iteration, Looping

  • Computations - let
  • Iteration - while, until
  • Infinite Loop
  • Iteration - for
  • More than 9 Parameters - shift

Sub-scripts and Functions

  • Local and Global Variables
  • Sub-scripts
  • Export Command
  • Exit Status
  • Aliases
  • Functions
  • Useful Functions
  • Return Status
  • Manipulating Functions
  • Functions in Scripts

Advanced Commands

  • Debugging - set
  • Setting - set
  • Merging Files - join
  • Merging Files - paste, basename and dirname
  • Job Control - jobs
  • Regular Expressions
  • Global Regular Expression Printer - grep
  • Expression grep - egrep
  • Fast grep - fgrep
  • Computations - expr
  • Computations – bc, eval Command,
  • Argument Processing
  • getopts Command
  • Using Arrays

Advanced Edit – vi & sed

  • vi - Mapping Key Combinations
  • Mapping Control Keys
  • Using Abbreviations
  • Editing Many Files
  • Regular Expressions
  • Global Insert
  • Here document,
  • Batch Stream Editor - sed, sed delete, -d, sed print, -p, sed suppress, -n, sed quit, -q, sed file, -f, sed Multiple Input, sed
  • Find and Replace
  • sed Example

Text File Processing - awk

  • The awk Programming Tool
  • Pattern Matching
  • Regular Expressions
  • Comparison Patterns
  • Compound Patterns
  • Range Patterns
  • Special Patterns
  • Built-in Functions
  • Troubleshooting awk Scripts
  • Passing Parameters
  • Using Contains
  • printf Function
  • Computations
  • Functions
  • substr
  • length
  • Action Statements
  • Control Flow Statements
  • Arrays
  • Arrays with for Loops
  • awk Examples

Bookings, Prices and Enquiries

Guaranteed to run even with a single delegate!
Public Classroom Public Classroom
From 2150PLN
(20)
Public Classroom
Participants from multiple organisations. Topics usually cannot be customised
Private Classroom
Participants are from one organisation only. No external participants are allowed. Usually customised to a specific group, course topics are agreed between the client and the trainer.
Private Remote
The instructor and the participants are in two different physical locations and communicate via the Internet. More Information

The more delegates, the greater the savings per delegate. Table reflects price per delegate and is used for illustration purposes only, actual prices may differ.

Number of Delegates Public Classroom Private Remote
1 2150PLN 3500PLN
2 1825PLN 2500PLN
3 1717PLN 2167PLN
4 1663PLN 2000PLN
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