Menu

CLS = clear screen

CLS
do {
    Write-Host "Select your option"
    Write-Host ""
    Write-Host "1 - This is option 1"
    Write-Host "2 - This is option 2"
    Write-Host "3 - This is option 3"
    Write-Host ""
    $Option = (Read-Host "Choose from options 1-3")
    switch($Option) {
    1 {
        Write-Host ""
        Write-Host "You chose option 1!" -ForegroundColor Green
    }
    2 {
        Write-Host ""
        Write-Host "You chose option 2!" -ForegroundColor Yellow
    }
    3 {
        Write-Host ""
        Write-Host "You chose option 3!" -ForegroundColor Red
    }
    Default {
        CLS
        Write-Host ""
        Write-Host "Option invalide. Entrer 1 ou 2." -foregroundcolor red
        Write-Host ""
    }
    }  
}while ($Option -ne "1" -and $Option -ne "2" -and $Option -ne "3")  

http://exchangetips.us/2012/09/a-simple-powershell-menu/

http://powershell.com/cs/blogs/tips/archive/2011/11/08/creating-powershell-menus.aspx