TOPIC 4- The Linux operating system

4.1 Choosing an Operating System

• What is an Operating System
• Choosing a Linux Distribution
• Non Linux Operating System
• Operating Systems' Life cycle

4.2 Understanding Computer Hardware

• Power Supplies
• Motherboard
• Memory
• Processors
• Storage
• Partitions
• Peripherals
• Drivers and Device Files

4.3 Where Data is Stored

• Programs and their Configuration
  • Where Binary Files are stored
  • Where Configuration Files are Stored
  • Configuration Files in HOME
  • Where Kernels are Stored - boot
  • The proc directory
  • The dev directory
• The Linux Kernel
• Hardware Devices
  • Memory and Memory Types
• Processes
• System logging and system messaging
  • The Kernel Ring Buffer
    • The system journal, systemd-journald

4.4 Your Computer on the Network

• Basic network troubleshooting
• Link Layer Networking
• IPv4 Networking
• IPv6 Networking
• DNS
• Sockets
  IP command
  Linux Essentials/Topic 4/HTTP
  HTTPS
  HTTP Methods
  HTTP Header Fields
  HTTP Status Codes
  How to name partitions and disks

Network configuration
Network adapter configuration