Tutorial10: Shell Scripting - Part 1

INTRODUCTION TO SHELL SCRIPTING

Main Objectives of this Practice Tutorial

• Understand the process for planning prior to writing a shell script.

• Understand the purpose of a she-bang line contained at the top of a shell script.

• Setting permissions for a shell script and properly execute a shell script.

• Understand and use environment and user-defined variables within a shell script.

• Understand the purpose of control flow statements used with shell scripts.

• Use the test command to test various conditions.

• Use the if logic statement and the for loop statement within shell scripts.

Tutorial Reference Material

Course Notes		Linux Command/Shortcut Reference		YouTube Videos
Course Notes: PDF | PPTX		Shell Scripting Purpose Planning a Shell Script Executing a Shell Script Variables Environment User Defined	Control Flow Statements Purpose test command if statement for loop	Brauer Instructional Videos: Introduction to Shell Scripting Using Variables and Control Flow Statements in Shell Scripting

KEY CONCEPTS

A shell script is a computer program designed to be run by the Unix shell, a command-line interpreter.
The various dialects of shell scripts are considered to be scripting languages.

Reference: https://en.wikipedia.org/wiki/Shell_script

Creating & Executing Shell Scripts

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Using Variables in Shell Scripts

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Using Control Flow Statements in Shell Scripts

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INVESTIGATION 1: CREATING A SHELL SCRIPT

In this section, you will learn how to ...

Perform the Following Steps:

1. x
   
   

In the next investigation, you will ...

INVESTIGATION 2: USING VARIABLES IN SHELL SCRIPTS

In this section, you will learn how to ...

Perform the Following Steps:

1. x
   
   

In the next investigation, you will ...

INVESTIGATION 3: USING CONTROL FLOW STATEMENTS IN SHELL SCRIPTS

In this section, you will learn how to ...

Perform the Following Steps:

1. x
   

LINUX PRACTICE QUESTIONS

The purpose of this section is to obtain extra practice to help with quizzes, your midterm, and your final exam.

Here is a link to the MS Word Document of ALL of the questions displayed below but with extra room to answer on the document to simulate a quiz:

https://ict.senecacollege.ca/~murray.saul/uli101/uli101_week10_practice.docx

Your instructor may take-up these questions during class. It is up to the student to attend classes in order to obtain the answers to the following questions. Your instructor will NOT provide these answers in any other form (eg. e-mail, etc).

Review Questions:

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2. x
3. x
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8. x