UNIX Shell Programming Course Details

Introduction

• The UNIX Shell The Bourne
• Korn & C Shells UNIX Shell Scripts

Review

• Commands, ls
• Redirection, Pipes, Find, Grep, Sort

UNIX Shell Features

• Invoking a Shell
• Command line expansion
• Command Arguments
• Meta-characters
• Quotation marks
• Redirection
• File descriptors
• Here documents, Redirection, Pipes, Tee
• Defining Exporting and Environment variables
• Command grouping
• Conditional execution

Basic Shell Scripts

• Positional and Automatic Parameters Set
• Reading input
• Writing to standard output
• Display attributes
• Interactive Shell scripts

Bourne & Korn Shell Programming

• If statement
• While statement
• Case statement
• Test command
• For statement
• Break statement
• Continue statement
• Tests on numeric values
• String comparisons
• Command exit status
• Logical operators
• Error handling
• Arithmetic

Korn Shell Extensions

• Extensions
• Command substitution
• Arithmetic expressions
• Valid arithmetic operators
• Variable attributes
• Typeset, Built-in variables
• Select command