function  get-serviceInformation {
[cmdletbinding()]
param(
    [parameter(ValuefromPipeline)][ValidateNotNullorEmpty()][String[]]$computername = $env:COMPUTERNAME,
    [string[]]$ServiceName
)

    process {
        $sessions =  new-CimSession -ComputerName $computername
        foreach ($s in $sessions)
        {

            if ($ServiceName)
            {
                $service = foreach ($i in $ServiceName)
                {
                   Get-CimInstance -ClassName win32_service -CimSession $s -Filter "Name='$($i)'"
                } #foreach servicename
            }# if servicename
            else
            {
                $Service = Get-CimInstance -ClassName win32_service -CimSession $s
            }

            foreach ($i in $Service)
            {

                $obj = '' |  select -Property Computername,Service,Description,Runtime,StartMode,Started,Status
                $obj.Computername = $i.PsComputername
                $obj.Service = $i.Name
                $obj.Runtime =$($($(get-date) - $(Get-CimInstance -Query "SELECT * from Win32_Process WHERE ProcessId LIKE '$($i.ProcessId)'" -CimSession $s | select CreationDate).CreationDate  | select @{Name="Runtime";Expression={"[$($_.Days) Day(s) $($_.Hours) Hours $($_.Minutes) Min]"}})).Runtime
                $obj.Status = $i.Status
                $obj.Started = $i.Started
                $obj.Description = $i.Displayname
                $obj.StartMode = $i.StartMode

                $obj
            }#foreach service
        }#foreach session
    $sessions | Remove-CimSession
    }#Process
}#Function

function  get-DrivespaceInformation {
[cmdletbinding()]
param
(
    [Parameter(ValueFromPipeline)][String[]]$computername
)
    process{
        New-CimSession -ComputerName $computername  | Tee-Object -Variable Session |
        Get-CimInstance win32_logicaldisk -filter "drivetype=3" |
        select @{Name="ComputerName";Expression={$_.PScomputername}},
        @{Name="Drive";Expression={$_.Caption}},
        @{Name="Capacity(GB)";Expression={[Math]::round($_.size/1gb,2) }},
        @{Name="Avilable(GB)";Expression={[Math]::round($_.freespace/1gb,2) }},
        @{Name="Percent free";Expression={[Math]::round($_.freespace/$_.size,3)*100}}
        $session | Remove-CimSession
    }
}



$computers = "srv1","srv2","win10"

$computers | get-DrivespaceInformation | ft
$computers | get-serviceInformation |ft -GroupBy Computername -AutoSize