• Overview of Red Hat Enterprise Linux (RHEL)
• RHEL Installation and Basic Configuration
• Navigating the Command Line Interface (CLI)
• Introduction to GNOME Desktop Environment:
  • Navigating the GNOME Interface
  • Customizing GNOME Settings
  • Using GNOME Applications

• Overview of Different Shells in Linux (Bash, Zsh, Fish, etc.)
• Setting the Default Shell
• Basic Shell Operations:
  • Using the Shell Prompt
  • Command Syntax and Structure
  • Introduction to Shell Scripting

• Understanding the Linux File System Hierarchy
• Managing File Systems and Partitions
• Working with Logical Volume Management (LVM)
• Mounting and Unmounting File Systems
• File System Maintenance and Monitoring (df, du, fsck)

• File and Directory Management:
  • cp: Copy Files and Directories
  • mv: Move or Rename Files and Directories
  • rm: Remove Files and Directories
  • mkdir: Create Directories
  • rmdir: Remove Directories
  • touch: Create Empty Files or Update Timestamps
• Viewing and Editing Files:
  • cat: Concatenate and Display File Contents
  • less/more: View Files with Paging
  • head/tail: View the Beginning/End of Files
  • nano/vi/vim: Text Editors for Editing Files
• Searching and Filtering:
  • grep: Search Text Using Patterns
  • find: Search for Files and Directories
  • locate: Find Files by Name
• Date and Time Management:
  • date: Display or Set the System Date and Time
  • timedatectl: Manage Time and Date Settings
  • Configuring NTP (Network Time Protocol)
• System Shutdown and Reboot:
  • shutdown: Power Off or Reboot the System
  • reboot: Restart the System
  • halt/poweroff: Shutdown Commands
• System Information:
  • uname: Display System Information
  • hostnamectl: Manage Hostname and Related Settings
  • free: Display Memory Usage
  • uptime: Show How Long the System Has Been Running

• Creating and Managing User Accounts (useradd, usermod, userdel)
• Configuring Group Permissions and Ownership (groupadd, groupmod, gpasswd)
• Implementing Sudo Privileges for Users (sudo, visudo)
• Understanding File Permissions and Access Control (chmod, chown, chgrp)

• Understanding and Managing Processes (ps, top, kill, pkill)
• Scheduling Jobs with Cron (crontab, cron.d, cron.daily, etc.)
• Automating Tasks with At and Anacron
• Managing System Resources and Performance Tuning (nice, renice, htop)

• Configuring Network Interfaces (Static and Dynamic IPs) (nmcli, nmtui)
• Managing Network Services (SSH, FTP, HTTP)
• Basic Networking Commands (ping, netstat, ss, traceroute)
• Configuring and Managing Firewalls with firewalld and iptables

• Introduction to YUM/DNF Package Managers
• Installing, Updating, and Removing Software Packages
• Configuring Repositories and Handling Dependencies
• Managing System Updates and Security Patches

• Monitoring System Performance (CPU, Memory, Disk Usage)
• Analyzing System Logs (journalctl, /var/log)
• Troubleshooting Common System Issues
• Using Rescue Mode for System Recovery

• Creating and Managing System Backups (tar, rsync)
• Implementing Disaster Recovery Strategies
• Restoring Data from Backups
• Understanding and Using Red Hat’s Built-In Backup Tools

This outline now includes GNOME, types of shells, and detailed coverage of essential Linux commands, in addition to core topics for Red Hat system administration. It provides a solid foundation for learners aiming to become proficient in managing Red Hat Enterprise Linux environments.