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Course Outline
Introduction
- Course Objectives
- Schedule
- Course Introductions
- Prerequisites
- Recommended Reading
- Delegate Responsibilities
- Course Summary
Review of Basics - Optional
- Files
- Directories and Processes
- Listing Directories - ls
- Accessing Help - man
- Displaying Files - cat, more
- Basic Commands
- Piping - using the | symbol
- Output Redirection - using the > symbol
- Output Redirection - using the >> symbol
- Input Redirection - using the < symbol
- Error Redirection
- Utilising /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 Current Working Directory - pwd
- Changing Directories - cd
- Creating Directories - mkdir
- Removing Directories - rmdir
- Interactive Copy - cp -i
- Interactive Move - mv -i
- Interactive Delete - rm -i
- Removing Directories Recursively - rm -r
- Wildcards - File Name Generation
- Word Count - wc
- Locating Files - find
- Searching Text in Files - grep, sort, cut, uniq, tr
- Changing Permissions - chmod
Shell Programming
- Developing Shell Scripts
- Testing Commands
- Creating Script Files
- Setting Execute Permissions
- Testing Scripts
- Executing Scripts - time
- Executing Scripts - dot
- Executing Scripts - exec
- Executing Scripts - ksh
- Script Debugging
- Passing Parameters
- The read Command
- Using 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
- User Variables - unset
- Variables in Scripts
- Typeset Command
- Integer Variables
- Special Constructs
Creating Menus
- Conditions - case
- Building a Menu
- Iteration - while, until
- Delaying Output - sleep
- Delaying Output - dummy read
- Terminating the Script
- Terminating the Loop
- Hidden Option - Forking a Shell
- Trapping Interrupts - trap
- Further Details on Interrupts
- Highlighting Text - tput
- Cursor Positioning - 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 a Single Test
- Testing Strings
- Utilising Square Brackets
- Avoiding Null Input
- Testing Numbers
- Further Details on case
- Displaying Variables
- Inserting Spaces
- Testing Commands
Iteration, Looping
- Arithmetic Operations - let
- Iteration - while, until
- Infinite Loop
- Iteration - for
- Handling 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
- Configuration - set
- Merging Files - join
- Merging Files - paste, basename and dirname
- Job Control - jobs
- Regular Expressions
- Global Regular Expression Printer - grep
- Extended grep - egrep
- Faster grep - fgrep
- Arithmetic Operations - expr
- Arithmetic Operations – bc, eval Command,
- Argument Processing
- getopts Command
- Utilising Arrays
Advanced Edit – vi & sed
- vi - Mapping Key Combinations
- Mapping Control Keys
- Utilising Abbreviations
- Editing Multiple 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
- Utilising Contains
- printf Function
- Arithmetic Operations
- Functions
- substr
- length
- Action Statements
- Control Flow Statements
- Arrays
- Arrays with for Loops
- awk Examples
Requirements
This course is exclusively designed for individuals who possess a strong 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.
