Introduction and Background Information

Review of Unix Concepts and Commands

• Major Components of UNIX
• The File System
• Listing Directories
• Creating Files
• Displaying Files
• Moving Around Directories
• Redirection & Piping
• Searching for a Pattern
• Finding Files
• User Security
• Other Useful Commands

The Shell Environment

• Variables
• Exporting variables
• Shell Interpretation
• Quotes
• Special Escape Characters
• Recalling & Modifying Previous Commands

Simple Shell Scripts

• Shell Scripts
• Executing Shell Scripts
• Passing Arguments To A Program
• Positional Parameters
• Special Shell Parameters
• The Shift Command
• Read Command
• Expr Command
• Korn Shell Arithmetic

Miscellaneous Utilities

• New group
• Cut and Paste
• Comparing Files
• Head and tail
• Touching files
• Grouping Commands
• Typeset
• Here Documents
• Korn Shell Functions

Controlling Program Flow

• Conditional Processing
• Logical Constructs
• Basic Structured Conditionals
• Nesting Structured Conditionals
• ELIF Statement
• String Operators
• Integer Operators
• File Operators
• Logical Operators
• Case statement
• Looping
• The For Command
• For Statement Without Word List
• The While Loop
• The Until Loop
• While True Loop
• Until False Loop
• The Break Command
• The Continue Command.

Additional Programming Topics

• Shell Script Comments
• The Exit Command
• The Sleep Command
• The Wait Command
• The Set Command
• The Unset Command
• Special Variable Constructs
• The Null Command
• Signals used by Shell Procedures
• Interrupt handling
• Trace
• Timing Command
• Korn Shell Arrays
• Random Variable
• Korn Shell Menu System.
• Programming Hints
• Creating Efficient Shell Procedures

The Stream Editor

• The Stream Editor
• Searching and Replacing Text
• Deleting lines
• Printing Lines
• Edit Files

The Awk Utility

• The awk Utility
• Operators
• BEGIN and END
• Arithmetic operators
• Program Control
• Print Formatting