English | Size: 1.25 MB
Genre: eLearning
Absolutely for Beginners
This book covers all essential Linux Shell language knowledge. You can learn complete primary skills of Linux Shell programming fast and easily. The book includes more than 60 practical examples for beginners and includes tests & answers for the college exam, the engineer certification exam, and the job interview exam.
Source Code for Download
This book provides source code for download; you can download the source code for better study, or copy the source code to your favorite editor to test the programs.
Table of Content
Hour 1
What is Linux Shell?
Shell Scripting
The First Shell Scripting
Shell Comment
Multi-Line Comments
Shell Variables
Variable Name
Read-Only Variable
Remove Variable
Input to Variable
Hour 2
Shell String (1)
Shell String (2)
Connect Strings
String Length
Extract Substring
About `expr…`
Search Index
Shell Parameters
Built-in Parameters
Hour 3
Shell Array
Accessing the Elements
Get All Elements
Array Length
Printf Command
Escape Sequences
Hour 4
Operators
if…then…else…fi
Arithmetical Operators
Comparison Operators
Boolean Operators
Hour 5
String Operators
File Operators
“echo” Command
Hour 6
Test Command
[ ] Symbol
Test Equality
Test Existence
Test Empty String
Shell Function
Function with Arguments
Return Values
Hour 7
if..then ..elif..then..else
For Loop
While Loop
Until Loop
Case Statement
Break Command
Continue Command
Hour 8
Select Statement
I/O Redirection
Output Redirection
Append Redirection
Input Redirection
File Descriptor
Here Document
File Included
Appendix 1
Built-in Parameters Chart
Printf Command Chart
Escape Sequences Chart
Comparison Operators Chart
Boolean Operators Chart
String Operators Chart
File Operators Chart
I/O Redirection Chart
Appendix 2
Tests
Answers
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