book

Introduction to Unix and Shell Programming

Name: Introduction to Unix and Shell Programming
Author: M. G. Venkateshmurthy
ISBN: 9788177587456

by M. G. Venkateshmurthy

May 2005

Beginner

392 pages

8h 34m

English

Pearson Education India

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Cover
Title Page
Contents
Dedication
Preface
1. Introduction to Unix
1.1. Brief History1.2. What is Unix?1.3. Unix Components1.4. Using Unix1.5. Commands in Unix1.6. Some Basic Commands1.7. Getting Help1.8. Command Substitution1.9. Giving Multiple Commands1.10. Aliases—Giving Alternate Names to CommandsReview Questions and Exercises
2. Files and File Organization
2.1. Unix Files2.2. Categories of Files2.3. Hidden Files—Dot Files2.4. The File System—Organizing the Unix Files2.5. Path Names—Reaching a Required File2.6. The Home Directory2.7. Directory Commands2.8. The Dot (.) and Double Dot (. .) File Names2.9. File Related Commands2.10. Wild Cards—Filename Generation2.11. Displaying the Contents of a File2.12. Printing of Files2.13. Comparing FilesReview Questions and Exercises
3. File Attributes and Permissions
3.1. Ownership of Files3.2. File Attributes3.3. The is Command—Revisited3.4. The file Command—Knowing the File Type3.5. The chmod Command—Changing File Permissions3.6. The chown Command—Changing the Owner of a File3.7. The chgrp Command—Changing the group of a File3.8. Times Associated with a File3.9. The umask Command—Default File PermissionsReview Questions and Exercises
4. Standard I/O, Redirection Pipes and Filters
4.1. Standard I/O4.2. Redirection4.3. Pipe and Pipeline—Connecting Commands4.4. Mixing Inputs from Standard Input and a File4.5. Filter4.6. The tee Command4.7. Terminal (/dev/tty) and Trash (/dev/null) Files4.8. A Sample Database File4.9. Handling Columns and Fields4.10. The sort Command4.11. The uniq Command4.12. The tr CommandReview Questions and Exercises
5. The vi Editor
5.1. The vi Editor5.2. Editing with vi5.3. Moving the Cursor5.4. Editing5.5. Copying and Moving Text5.6. Pattern Searching5.7. Repeating the Last Editor Command5.8. Undoing Commands5.9. Joining Lines5.10. Writing Selected Lines onto a Separate File5.11. Using the Shell from vi5.12. Configuring the vi EnvironmentReview Questions and Exercises

6. Regular Expressions—grep Family of Commands and the sed
6.1. Regular Expressions6.2. The grep Family6.3. The egrep Command6.4. The fgrep Command6.5. The Stream Editor—sedReview Questions and Exercises
7. The Process
7.1. The Meaning7.2. Parent and Child Processes7.3. Types of Processes7.4. More about Foreground and Background Processes7.5. Internal and External Commands7.6. The ps Command—Knowing Process Attributes7.7. Process Creation7.8. The nohup Command7.9. The nice Command7.10. The time Command7.11. Signals7.12. The trap Command7.13. The stty Command7.14. The kill Command7.15. The wait Command7.16. Job Control7.17. Command History7.18. Scheduling Jobs' ExecutionReview Questions and Exercises
8. Shell Programming
8.1. Shell Variables8.2. The export Command8.3. The .profile File—A Script Run during Starting8.4. The First Shell Script8.5. The read Command8.6. Positional Parameters8.7. The $? Variable—Knowing the Exit Status8.8. More about the set Command8.9. The exit Command8.10. Branching Control Structures8.11. Loop-Control Structures8.12. The continue and break Statements8.13. The expr Command: Performing Integer Arithmetic8.14. Real Arithmetic in Shell Programs8.15. The here Document (<<)8.16. The sleep Command8.17. Debugging Scripts8.18. The script Command8.19. The eval Command8.20. The exec Command8.21. More ScriptsReview Questions and Exercises
9. AWK
9.1. Syntax of an awk Program Statement9.2. Structure of an awk Script9.3. Operational Mechanism of awk9.4. Variables9.5. Records, Fields and Special Variables9.6. Addressing: Line and Context Addressing9.7. Patterns9.8. Operators9.9. Sample Input Files9.10. Simple awk Programs9.11. awk Control Structures9.12. Functions in awk9.13. Script on a File—The First Complete Script9.14. Executing awk Scripts with the Shell9.15. Arrays9.16. Salary-Computing ScriptReview Questions and Exercises
10. Basic Communication Tools
10.1. The Communication Process10.2. The news Command10.3. Message of the Day—The motd10.4. The mesg Command10.5. The write Command10.6. The wall Command10.7. The talk Command10.8. The finger Command—Detailed Information on Users10.9. Electronic MailReview Questions and Exercises
11. Introduction to Perl
11.1. Structure of a Perl Script11.2. Running a Perl Script11.3. Perl Data11.4. Print Functions11.5. Some String Operators11.6. The Current Line and the Current Line Number11.7. Lists and Arrays in Perl11.8. List Operators11.9. Handling Files11.10. The chop() and chomp() Functions11.11. Associative Arrays (Hashes)11.12. Contexts11.13. Decision-Making and Loop-Control Structures11.14. Regular Expressions11.15. The Match Operator (m/ /)11.16. The Substitute Operator (s/ / /)11.17. Multiple search Patterns11.18. Anchors11.19. Sub-Routines11.20. Example ScriptsReview Questions and Exercises
12. Introduction to System Administration
12.1. System Administrator or Superuser12.2. Unix Security12.3. Managing Disk Space12.4. Backup and Restore12.5. The find Command: Locating Files12.6. The Inode and Its Structure12.7. File Systems12.8. File Links: The in CommandReview Questions and Exercises
Acknowledgements
Copyright Page

Overview

Introduction to Unix and Shell Programming is designed to be an introductory first-level book for a course on Unix. Organised into twelve simple chapters, the book guides the students from the basic introduction to the Unix operating system and ext

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