Uptime command similiar to Unix uptime

uptime.ps1

# Similiar to unix command uptime
$bootTime = Get-CimInstance -ClassName win32_operatingsystem | Select-Object -ExpandProperty LastBootUpTime
$currentTime = Get-Date
$uptime = $currentTime - $bootTime
$days = $uptime.Days
$hours = $uptime.Hours
$minutes = $uptime.Minutes
$users = (quser).Count-1
if ( $users -lt 0 ) { 
     $users = 0 
	 }
$load = get-wmiobject -class win32_processor | measure-object -property LoadPercentage -Average | select-object -expandproperty Average
Write-Output " $currentTime up $days days, ${hours}:${minutes}, $users user, load: $load"