Get-WMIObject Win32_OperatingSystem

Get-WMIObject Win32_OperatingSystem | fl Name, BuildNumber, Version

$os = Get-WMIObject Win32_OperatingSystem
$os.Name

$os.Caption

Get-WMIObject Win32_OperatingSystem -ComputerName web-2008R2 | fl Name, BuildNumber, Version

$c = Get-Credential
Get-WMIObject Win32_OperatingSystem -ComputerName web-2008R2 -Credential $c | fl Name, BuildNumber, Version

Get-WMIObject Win32_Product -Filter "Vendor like 'Oracle%'"

$java = get-wmiobject Win32_Product -Filter "Vendor like 'Oracle%'"
if($java -ne $null) { Add-Content $logfile -value "Java is installed." }

Get-Counter -Counter "\Processor(_Total)\% Processor Time"

Get-Counter -Counter "\Processor(_Total)\% Processor Time" -SampleInterval 5 -MaxSamples 10

$samples = Get-Counter -Counter "\Processor(_Total)\% Processor Time" -SampleInterval 5 -MaxSamples 10
$samples.CounterSamples.CookedValue | Measure-Object -Average

('\Memory\Available MBytes', 'under', 500)