LINUX Fundamentals

Linux Fundamentals course provides complete knowledge to the delegates about the latest concepts and terminologies of the Linux Operating System. With the help of this training, the delegates will able to understand how to develop and write shell scripts. The training provides knowledge and skills required to work productively in a Linux system. The delegates will able to understand how to manage files and directories, utilise the VI editor, and work with Linux security mechanisms to protect files and programs.

Linux Fundamentals course provides complete knowledge to the delegates about the fundamental tools and concepts of Linux and Unix. The training covers how to administer, configure and upgrade Linux systems.

Introduction to the Linux 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

Basic Commands

• Command line syntax
• Basic file handling commands
• Basic Directory handling commands
• Filename wildcard characters

Redirection and Pipes

• Command line syntax
• Basic file handling commands
• Basic Directory handling commands
• Filename wildcard characters

Introduction to the Vi Editor

• Overview of the vi editor
• Basic functions
• Switching to input mode
• Other useful commands

Searching and Replacing Text

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

Recalling and Editing Commands

• Overview
• The bash shell
• The Korn shell

File Permissions and Access Control

• Overview
• The bash shell
• The Korn shell

Filtering Text

• Overview
• The cut command
• An introduction to awk
• The nl command

Processes

• What is a process?
• Monitoring processes
• Killing processes
• Background processes
• Job Control
• Grouping commands

The User Environment

• Customising the .profile or .bash_profile
• Customising the .kshrc or .bashrc

More Basic Commands

• The find command
• The df command
• The cut command
• The sort command
• Finding duplicate content
• The finger command

UNIX Command Review

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

Getting Started

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

Using Variables

• Environment variables
• Local variables
• Assigning values to variables
• Assessing variable values
• Using quotes
• Delimiting variable names
• Echo control sequences

Integer Arithmetic

• Using the expr command
• Using the (( )) notation

Handling Run-Time Data

• The read command
• Command line arguments

Condition Execution

• The if statement
• The test command

Additional KORN, BASH & POSIX SYNTAX

• Other test notations
• Default and substitute variables
• Exit status codes

Loop Constructs

• The while loop
• The until loop
• The for loop
• The while true and until false loops
• Loop control commands

Multi-Branch Decisions

• The case statement
• Menu driven applications

Functions

• What is a function?
• Syntax
• Examples

Interrupt Handling

• Interrupt signals
• Trapping interrupts

Additional Features and Facilities

• The exec commands
• The includes notation
• More about loops
• Arrays
• Here Documents