You can use  commands on the command prompt or PowerShell to perform various tasks such as navigating the file system, managing files and directories and executing commands. This is a useful skill that is beneficial when using Linux and sometimes in IT. Here are some essential commands for navigating Windows OS on command Prompt or PowerShell:

1. cd:
   1. Change the current directory or move to the specified directory
   2. Usage:
      • cd C:\path\to\directory
      • cd ..   # Move up one directory ie: parent directory
2. dir
   1. List the contents of a directory
   2. Usage:
      • dir
      • dir /a #list all files and folders including hidden files
3. md
   1. Creates a new directory
   2. Usage
      • md dirname
4. copy
   1. Copy files or directories
   2. Usage:
      • copy source destination
      • Where source is the file or directory and destination is where the file or directory is pasted on
5. move
   1. Move or rename files or directory
   2. Usage:
      • move source destination
      • move oldname newname   # Rename file
6. del
   1. Used to delete files
   2. Usage:
      • del filename
7. ren 
   1. Used to rename files or directories
   2. Usage:
      • ren oldname newname
8. type
   1. Displays the content of text files
   2. Usage:
      • type filename.txt
9. cls
   1. Used to clear the screen in Command prompt
   2. Usage:
      • cls

The following commands are PowerShell specific Commands:

1. Get-ChildItem
   1. List the contents of a directory
   2. Usage:
      • Get-ChildItem

2. New-Item
   1. Creates a new item which can be a file, directory, etc..
   2. Usage:
      • New-Item -ItemType Directory dirname
      • New-Item filename.txt -ItemType File
3. Copy-Item
   1. Used to copy a file or directory
   2. Usage:
      • Copy-Item source destination
      • source being the item being copied and destination being where the item is copied to 
4. Move-Item
   1. Used to move or rename files or directories
   2. Usage:
      • Move-Item source destination
      • Move-Item oldname newname
5. Remove-Item
   1. Used to delete files or directories
   2. Usage:
      • Remove-Item filename
      • Remove-Item dirname -Recurse   
6. Rename-Item
   1. Used to rename files or directories
   2. Usage:
      • Rename-Item oldname newname
7. Get-Content
   1. Displays the contents of a file
   2. Usage:
      • Get-Content filename

8. Set-Location 
   1. Used to change the current working directory
   2. Usage:
      • Set-Location C:\path\to\directory
9. Clear-Host
   1. Used to clear the screen in PowerShell
   2. Usage:
      • Clear-Host