====== Navigation Commands =====

This section includes the most common commands used for navigating the file system in Linux.

  * **pwd**: Displays the current working directory.
    - Example: `pwd`
  
  * **cd**: Changes the current directory.
    - Example: `cd /home/user/`
  
  * **ls**: Lists files and directories.
    - Example: `ls -l` (detailed view)
    - Example: `ls -a` (includes hidden files)
  
  * **tree**: Displays the directory structure as a tree.
    - Example: `tree /home/user/`