Linux Fundamentals training course

Introduction & Linux Overview

• Course aims and objectives
• Linux and Unix overview
• History of Unix and Linux
• Linux distributions
• Open source concepts
• Logging on and accessing Linux systems
• Connecting to the training server
• Command syntax and structure
• Using help and documentation
• Understanding shells
• Bash shell basics
• Important keyboard shortcuts

Basic Linux Commands

• Displaying system information
• Viewing users and sessions
• Working with dates and calendars
• Displaying messages and output
• Password management
• Exiting sessions
• Understanding processes and files
• Linux directory structure
• File types

Viewing and Manipulating Files

• Listing directories and files
• Displaying file contents
• Counting lines and words
• Numbering file output
• Understanding file formats
• Using piping and redirection
• Appending output
• Viewing start and end of files
• Combining commands
• Running commands as root

Directory Navigation

• Home directories
• Current working directory
• Changing directories
• Using pathnames
• Command prompts
• Aliases and shell customisation
• Command history and completion
• Creating and removing directories
• Special directory entries

Practical Exercises

• Navigating the Linux filesystem
• Creating and managing directories
• Viewing and redirecting output
• Working with help commands

File Management, Editing & Job Control

File Management Commands

• Copying files and directories
• Moving and renaming files
• Interactive file operations
• Creating empty files
• Removing files and directories
• Working with wildcards
• Combining commands
• Disk usage commands

The vim Editor

• Introduction to vim
• Normal mode
• Insert and replace modes
• Searching text
• Editing text
• Saving and exiting
• Visual mode
• Command-line mode
• Split screen editing
• Comparing files
• Working with multiple files
• Regular expressions in vim
• Global substitutions

Finding Files & Job Control

• Finding files with find
• Executing commands from find
• Using xargs
• Foreground and background jobs
• Job control commands
• Killing processes
• Using top
• Using tmux
• Scheduling jobs with cron and at
• Reading mail
• Understanding links and inodes
• Sending messages between users

Practical Exercises

• File management labs
• Editing files with vim
• Searching for files
• Managing processes and background jobs

Text Processing, Backup & Shell Scripting

Finding Text & Processing Data

• Searching text with grep and egrep
• Using regular expressions
• Sorting data with sort
• Removing duplicates with uniq
• Cropping text with cut
• Translating characters with tr
• Joining and splitting files
• Formatting output
• Printing commands
• Nice and nohup commands

Backup, Restore & File Transfer

• Creating backups with tar
• Viewing and restoring archives
• Incremental backups
• Compressing archives with gzip
• Restoring compressed backups
• Using cpio
• Basic networking utilities
• Transferring files between systems
• Testing connectivity with ping

File Permissions & Security

• Understanding Linux permissions
• File and directory permissions
• Changing permissions with chmod
• Octal permissions
• Sticky bit and SUID
• Default permissions with umask

Introduction to Shell Scripting

• Creating shell scripts
• Running scripts
• Variables and parameters
• Reading user input
• Conditional statements
• Case statements
• Loops
• Debugging scripts
• Using PATH variables
• Login scripts

Final Workshop & Review

• Integrated practical exercises
• Troubleshooting tasks
• Best practices
• Course review and Q&A

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Course Delivery Format

The course includes:

• Instructor-led demonstrations
• Guided practical exercises
• Hands-on labs
• Workshop activities
• End-of-module reviews