Aix Fundamentals
Starting dates and places
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Description
Programmers, administrators and support personnel who need to understand the AIX Operating system, existing shellscripts, automate procedures and write their own utilities.
It is designed to give delegates practical experience in developing and writing shellscripts. Most of the built-in shell commands are introduced together with the main program control structures.
The delegates will practise:
Creating, copying, renaming, moving and deleting files and directories
Using the shell's redirection and pipe facilities
Editing text files using the vi editor
Setting and changing access permissions on files
Monitoring and controlling their own processes
Using the basic file and text searching utiliti…
Frequently asked questions
There are no frequently asked questions yet. If you have any more questions or need help, contact our customer service.
Programmers, administrators and support personnel who need to understand the AIX Operating system, existing shellscripts, automate procedures and write their own utilities.
It is designed to give delegates practical experience in
developing and writing shellscripts. Most of the built-in shell
commands are introduced together with the main program control
structures.
The delegates will practise:
Creating, copying, renaming, moving and deleting files and
directories
Using the shell's redirection and pipe facilities
Editing text files using the vi editor
Setting and changing access permissions on files
Monitoring and controlling their own processes
Using the basic file and text searching utilities
Customising their own login environment
Writing simple scripts to enhance basic command output
Using the various shell quoting mechanisms appropriately
Manipulating shell variables and user-defined variables in
scripts
Implementing conditional execution facilities
Using the shell's built-in loop constructs where appropriate
Writing scripts to trap user interrupts
Developing menu-driven shellscripts
This IBM AIX Operating System and Korn Shell Programming training course introduces the delegate to the main concepts of the AIX Operating System. The most commonly used commands are described in detail as are the command line wildcard and redirection facilities. The mechanisms by which a user acquires a login environment are discussed and the main features of the Korn/Posix/Bash Shells are introduced.
It is designed to give delegates practical experience in developing and writing shellscripts. Most of the built-in shell commands are introduced together with the main program control structures.
Typical Course Contents - DAY 1
Course Introduction
Administration and Course MaterialsCourse Structure and Agenda
Delegate and Trainer Introductions
Session 1: INTRODUCTION TO THE AIX OPERATING SYSTEM
A brief history of UNIXThe UNIX kernel
The UNIX file system
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 syntaxBasic file handling commands
Basic Directory handling commands
Filename wildcard characters
Exercise: Manipulating files and directories
Session 3: REDIRECTION AND PIPES
Input redirectionOutput redirection
Pipes
Exercise: Using redirection and pipe
facilitie
Course Contents - DAY 2
Session 4: INTRODUCTION TO THE vi EDITOR
Overview of the vi editorBasic functions
Switching to input mode
Other useful commands
Exercise: Using the vi editor
Exercise: Using more advanced vi features
Session 5: SEARCHING AND REPLACING TEXT
Replacing textUsing 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
OverviewThe bash shell
The korn shell
Exercises: Recall and Edit Commands
Session 7: FILE PERMISSIONS AND ACCESS CONTROL
Users and user groupsFile access permissions
Changing file attributes
Switching users and user groups
Linking files
Exercise: Setting and access permissions
Course Contents - DAY 3
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_profileCustomising the .kshrc or
.bashrc
Exercise: Setting up an environment
Session 10: MORE BASIC COMMANDS
The find commandThe cut command
The sort command
The finger command
Exercise: Using file handling
commands
Course Contents - DAY 4
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
Course Contents - DAY 5
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
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