COURSE CODE: LA105

SYNOPSIS :
LA105 Shell Scripting training is specifically designed to develop skills required for automation on Unix / Linux Environment. This course focuses on the basic and intermediate level of Scripting. It provides training with hands on session to administer the linux shell.

SUITABLE FOR :
For Unix / Linux Administratos

PREREQUISITES :

  • Knowledge in Unix / Linux Platform
  • Basic Knowledge in Shell Commands

DELIVERY :
This course makes extensive use of practical exercises. The person gains experience on implementing simple automation on Linux platform.

COURSE CONTENTS:

Introduction
-Shells
-Types of Unix Shells
-Uses fir Shell Scripts
-Advantages of Shell Scripts

Bash Basics
-Initialization Files
—-Login Shells, Non-Login Shells
-Aliases, Variables
—-Working with Variables
—-Important Internal Bash Variables
-Command History
-Input and Output Channels
—-Redirection to Files
—-The here Operator <<
—-Feeding Output to Another Process
—-Duplicating the Output with tee
-Types of Commands
-Quoting
-Substitution and Expansion
—-Variable Substitution
—-Filename Expansion(File Globbing)
—-Command & Arithmetic Substitution
—-Command-Line Interpretation
—-Command Separators

Basic Script Elements 1(Input,Output)
-Program Flow Charts
-Producing Output From a Script
-Reading User Input
-Simple Operation with Variables
—-Basic Strings Operation
—-Arithmetic Operations

Basic Script Elements 2(Control Structures)
-Simple Branching With if
—-Short Form of if
-Multiple Branch with case
-Iterations and Loops
—-Looping With while and until
—-Processing a List With for
-Exiting From a Loops
—-Exiting from the Current Loop
—-Iteration with continue
—-Exiting from the Loop with break

Advanced Scripting Techniques
-Reading input with read

Shell Functions

-Passing argument to function
-Passing array to function

-Checking exit status of function

-Making library function

-Recursive function

-Reading Options with getopts
-Signal Handiling with trap
-Implementing Simple Menus with select

Dialog Boxes with dialog
—-Yes/No Box(yesno)
—-Message Box(msgbox)
—-Input Box(input box)
—-Text Box(text box)
—-Menu Box(menu)
—-Check List Box(checklist)
—-Radio List Box(radiolist)
—-progress Meter Box(gauge)

Graphical Boxes with zenity

—-Yes/No Box(yesno)
—-Message Box(msgbox)
—-Input Box(input box)
—-Text Box(text box)
—-Menu Box(menu)
—-Check List Box(checklist)
—-Radio List Box(radiolist)

Useful Commands for Shell Scripts
-cat, cut, date, echo, grep, sed, tr

Regular Expressions
Debugging Shell Scripts
Sample Scripts

DURATION

  • Full Time - 2 Days - 16 Hours
  • Part Time - 2 hrs / day - Monday - Friday