U201: Advanced Linux Workshop - Bourne, C & Korn Shell, Awk - 3 Days

Who Should Attend:
System administrators, software engineers, system analysts, managers, students, and other IT professionals who wish to learn about using the scripting in Linux, Linux utilities, administration hints & tricks and system maintenance using shell scripts.

Objectives:
This hands-on module is intended to provide the participant with advanced working knowledge of Linux, including how to backup and restore files, writing Bourne, Korn and C Shell scripts to automate programming tasks, and how to customize the login environment according to individual preferences.
Participants are expected to have at least some working knowledge of Linux, including how to log into and out of the system, and how to navigate the directories and files in the Linux system. These pre-requisite skills may be acquired by attending U101: Introduction to Linux.

Contents:

Linux Utilities: Formatting tapes and diskettes; Backing up programs with tar; Listing contents of backups; Extracting Files from backups; Copying diskettes. The sed Editor; The grep Command.
Basic Bourne Shell Programming: Why Shell Programming? Creating Shell Programs; Running Simple Scripts

Advanced Bourne Shell Programming: Command Substitution; Variables and Parameters; File Name Generation; Quoting; here Document; Conditional statements; Looping; Expression Evaluation; Signal Handling.

C Shell Programming: C Shell Features; Why Use C Shell? Support for C Shell Creating and Running C Shell Programs; Command and Variable Substitution; Reading Input; Expressions and File Enquiry Operators; File Name Generation and Quoting; Job Control; I/O Redirection; Conditional Statements; Looping.

Customising The Login Environment: Creating and Removing Variables; Customization with Predefined Variables; Customisation with Environment Variables; Customization with Built-In Commands; Customising .login, .cshrc, and .logout; C shell history mechanism; Aliases.

Korn Shell Programming: Comparison with Bourne and C Shells; Aliasing; History; The whence Command; Variables and Arrays; Exporting Variables; Typeset; Control Constructs: while Loops; The select ... case ... esac Construct.

Using awk: What is awk? Defining and Counting Fields; Printing Fixed Strings; Logical Test Operators Variables and Expressions;Processing; Formatted Output I/O Redirection; Using awk With Shell Scripts; Conditional Statements.