Course Introduction

• Administration and Course Materials
• Course Structure and Agenda
• Delegate and Trainer Introductions

Session 1: INTRODUCTION TO THE AIX OPERATING SYSTEM

• A brief history of UNIX
• The UNIX kernel
• The UNIX file system
• A login Session
• Getting started navigating the file system
• The file system structure
• Directories and files
• Pathnames
• Navigating the file system
• Exercise:   Logging on to the system
• Exercise:   Navigating the file system

Session 2: BASIC COMMANDS

• Command line syntax
• Basic file handling commands
• Basic Directory handling commands
• Filename wildcard characters
• Exercise:   Manipulating files and directories

Session 3: REDIRECTION AND PIPES

• Input redirection
• Output redirection
• Pipes
• Exercise:   Using redirection and pipe facilities

Session 4: INTRODUCTION TO THE vi EDITOR

• Overview of the vi editor
• Basic functions
• Switching to input mode
• Other useful commands
• Exercises:   Using the vi editor
• Exercise:   Using more advanced vi features

Session 5: SEARCHING AND REPLACING TEXT

• Replacing text
• Using the vi editor
• Using sed for search and replace
• Searching for text with grep
• Exercises:   Searching and Replacing Text

Session 6: RECALLING AND EDITING COMMANDS

• Overview
• The Bash shell
• The Korn shell
• Exercises:   Recall and Edit Commands

Session 7: FILE PERMISSIONS AND ACCESS CONTROL

• Users and user groups
• File access permissions
• Changing file attributes
• Switching users and user groups
• Linking files
• Exercise:   Setting and access permissions

Session 8: PROCESSES

• What is a process?
• Monitoring processes
• Killing processes
• Background processes
• Job Control
• Grouping commands
• Exercise:   Monitoring and controlling processes

Session 9: THE USER ENVIRONMENT

• Customising the .profile or .bash_profile
• Customising the .kshrc or .bashrc
• Exercise:   Setting up an environment

Session 10: MORE BASIC COMMANDS

• The find command
• The cut command
• The sort command
• The finger command
• Exercise:   Using file handling commands

Session 11: UNIX COMMAND REVIEW

• Basic Unix commands
• General commands
• File and directory handling commands
• Filename generation characters
• I/O Redirection features
• Other commands

Session 12: GETTING STARTED

• What is a shell script?
• Development guidelines
• Creating and editing shell scripts
• Naming and storing shell scripts
• Executing shell scripts
• Exercise:   Write a simple shell script

Session 13: USING VARIABLES

• Environment variables
• Local variables
• Assigning values to variables
• Assessing variable values
• Using quotes
• Delimiting variable names
• Echo control sequences
• Exercise:   Add variables to a script

Session 14: INTEGER ARITHMETIC

• Using the expr command
• Using the (( )) notation
• Exercise:   Add integer arithmetic to a shell script

Session 15: HANDLING RUN TIME DATA

• The read command
• Command line arguments
• Exercise:   Writing a generic shell script
• Exercise:   Writing an interactive shell script

Session 16: CONDITION EXECUTION

• The if statement
• The test command
• Other test notations
• Default and substitute variables
• Exit status codes
• Exercise:   Adding validation to previous scripts

Session 17: LOOP CONSTRUCTS

• The while loop
• The until loop
• The for loop
• The while true and until false loops
• Loop control commands
• Exercise:   Enhancing the previously written scripts
• Exercise:   Writing a guess-the-number game

Session 18: MULTI-BRANCH DECISIONS

• The case statement
• Menu driven applications
• Exercise:   Developing and writing a menu system

Session 19: FUNCTIONS

• What is a function?
• Syntax
• Examples
• Exercise:   Add a function to a script

Session 20: INTERRUPT HANDLING

• Interrupt signals
• Trapping interrupts
• Exercise:   Adding traps to the menu script

Session 21: ADDITIONAL FEATURES AND FACILITIES

• The exec commands
• The includes notation
• More about loops
• Arrays
• Here Documents
• Exercise:   Create a here script