Contents

• List of Tables
• What is a Shell?
  • Basic UNIX primer
    • The Man Pages
  • UNIX Commands versus Built in Shell Commands
  • Interactive and Sub Shells
  • Command Line Parsing
  • Redirection
• The Bourne Shell
  • A Bit of History
  • Getting to Know the Bourne Shell
  • Multiple Commands Per Line
  • Redirection and Pipelines
  • Filename Substitution
  • Special Characters
  • Variables
    • Variable Substitutions
    • Parameters
    • Environmental Variables
    • Special Variables
  • Bourne Shell Programming
    • Testing and Branching
    • String Comparisons
    • Testing Files
    • Loop Control
      • Exiting Loops Early
    • Input and Output (I/O)
    • Advanced Programming Topics
      • Functions
      • Trapping Errors
    • Dot Files
• The Korn Shell
  • A Bit of History
  • Getting to Know the Korn Shell
  • Comman Execution
  • Redirection and Pipelines
  • Filename Substitution
  • Special Characters
  • Comman History
  • Aliases
  • Variables
    • User Defined Variables
    • Array Variables
    • Global or Environment Variables
    • Parameters
    • Special Read Only Variables
    • Variable Modifiers
  • Korn Shell Programming
    • Testing and Branching
    • String Comparisons
    • Testing FIles
    • Loop Control
• The C Shell
  • A Bit of History
  • Getting Started with the C Shell
  • Command Execution
  • Redirection and Pipelines
  • Filename Substitution
  • Filename Completion
  • Special Characters
  • Command History
  • Aliases
  • Variables
    • User Defined Variables
    • Array Variables
    • Global or Environment Variables
    • Parameters
    • Special Read Only Variables
    • Variable Modifiers
  • C Shell Programming
    • Testing and Branching
    • Signal Handling
  • Job Control
  • Special Files
    • Introduction to UNIX Security
• The TC Shell
• The Z Shell
• How to Pick a Shell
• Bourne Shell Builtin Commands
• C Shell Builtin Commands
• How to Get Shells
• References
• About this document ...