# Manage files and directories
Get-ChildItem # List files and directories
Copy-Item # Copy files and directories
Move-Item # Move files and directories
Remove-Item # Remove files and directories
# Manage processes
Get-Process # Get running processes
Stop-Process # Stop a running process
Start-Process # Start a new process
# Manage services
Get-Service # Get services
Start-Service # Start a service
Stop-Service # Stop a service
Restart-Service # Restart a service
# Manage registry
Get-ItemProperty # Get registry values
Set-ItemProperty # Set registry values
# Working with variables
$variable = "value" # Assign a value to a variable
Write-Host $variable # Display the value of a variable