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Course Outline
Introduction
- Learning Objectives
- Course Itinerary
- Participant Introductions
- Pre-requisites
- Recommended Reading
- Participant Responsibilities
- Course Overview
Review of Basics - optional
- Files
- Directories and Processes
- List Directories - ls
- Accessing Help - man
- Display Files - cat, more
- Basic Commands
- Piping - using the | symbol
- Output Redirection - using the > symbol
- Appended Redirection - using the >> symbol
- Input Redirection - using the < symbol
- Error Redirection
- Using /dev/null
- Foreground Jobs
- Background Jobs - &
- Terminating Jobs - kill
- Special Files - . and ..
- The Command Prompt - PS1
- Creating Aliases
- Utilising Aliases
- Command History
- Command Line Editing - using Arrow Keys
- Command Line Editing - using vi
- Customising the Shell
- The Home Directory - HOME
- The Working Directory - pwd
- Changing Directories - cd
- Create Directory - mkdir
- Delete Directory - rmdir
- Interactive Copy - cp -i
- Interactive Move - mv -i
- Interactive Delete - rm -i
- Recursive Deletion - rm -r
- Wild Cards - File Name Generation
- Word Count - wc
- Locating Files - find
- Searching Text in Files - grep, sort, cut, uniq, tr
- Modifying Permissions - chmod
Shell Programming
- Authoring Shell Scripts
- Testing the Command
- Creating the Script File
- Granting Execute Permissions
- Validating the Script
- Executing the Script - time
- Executing the Script - dot
- Executing the Script - exec
- Executing the Script - ksh
- Debugging the Script
- Passing Parameters
- The read Command
- Utilising read in Scripts
- Selecting the Shell
- Formatting 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
- Unsetting Variables - unset
- Variables within Scripts
- Typeset Command
- Integer Variables
- Special Constructs
Creating Menus
- Conditional Logic - case
- Building a Menu
- Iteration - while, until
- Pausing Output - sleep
- Pausing Output - dummy read
- Terminating the Script
- Breaking the Loop
- Hidden Option - forking a shell
- Handling Interrupts - trap
- Advanced Interrupt Handling
- Text Highlighting - tput
- Cursor Positioning - backtab \b
- Korn Shell Menu
Selection
- Conditional Testing
- Testing File Attributes
- Testing File Permissions
- Nested Multiple Tests - if
- Chained Multiple Tests - elseif
- Negation - NOT Condition
- Compound Conditions in a Single Test
- String Testing
- Utilising Square Brackets
- Preventing Null Input
- Numeric Testing
- Further case Statements
- Displaying Variables
- Spacing Considerations
- Testing Commands
Iteration, Looping
- Calculations - let
- Iteration - while, until
- Infinite Loops
- Iteration - for
- Handling Over 9 Parameters - shift
Sub-scripts and Functions
- Local and Global Variables
- Sub-scripts
- Export Command
- Exit Status
- Aliases
- Functions
- Useful Functions
- Return Status
- Function Manipulation
- Functions within Scripts
Advanced Commands
- Debugging - set
- Configuration - set
- Merging Files - join
- Merging Files - paste, basename, dirname
- Job Control - jobs
- Regular Expressions
- Global Regular Expression Printer - grep
- Extended Regular Expressions - egrep
- Fixed String Search - fgrep
- Calculations - expr
- Calculations – bc, eval Command,
- Argument Processing
- getopts Command
- Using Arrays
Advanced Edit – vi & sed
- vi - Mapping Key Combinations
- Mapping Control Keys
- Using Abbreviations
- Batch File Editing
- 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
- Calculations
- Functions
- substr
- length
- Action Statements
- Control Flow Statements
- Arrays
- Arrays with for Loops
- awk Examples
Requirements
This course is exclusively suited for individuals who possess a solid working knowledge of UNIX or have previously completed the Introduction to UNIX course.
14 Hours
Testimonials (4)
I liked the training because it was interactive, the trainer was knowledgeable, and the exercises helped me learn. The hourly breaks also kept me refreshed and focused.
Musat Robert
Course - UNIX/Linux Shell Scripting
I like the manner of presenting the theory and giving practical examples. Very well structured. I also like the fact that the trainer is always on time and has good communication skills.
Louise
Course - UNIX/Linux Shell Scripting
the constant feedback. possibility to ask questions and get the answers, get some working scripts which we were working on, modifying them and improving them at some point.
Nikita - DB Global Technology SRL
Course - UNIX/Linux Shell Scripting
Wojciech and NobleProg focused the itinerary to feet my needs.
