====== System Management Commands =====

This section includes commands used for managing system processes and resources in Linux.

  * **ps**: Displays running processes.
    - Example: `ps aux`
  
  * **top**: Displays running processes in real-time.
  
  * **kill**: Terminates a process.
    - Example: `kill 1234` (where 1234 is the PID of the process)
  
  * **df**: Displays disk space usage.
    - Example: `df -h` (with human-readable units)
  
  * **free**: Displays free and used memory.
    - Example: `free -h`
  
  * **uptime**: Displays how long the system has been running.
  
  * **reboot**: Reboots the system.
  
  * **shutdown**: Shuts down the system.
    - Example: `shutdown -h now`