Windows PowerShell script

$strComputer = "." # this is the config of wich computer (incase you want to use it against a server or something, you use the name(eg. //server))
$count = 0 # reset the counter, incase $count is already set by another script, or it's a re-run
$crits = 0 # reset the critical counter for same reasons
$colItems = get-wmiobject -class "Win32_Process" -namespace "root\CIMV2" `
-computername $strComputer | write-output

foreach ($objItem in $colItems) {
	$objItem.WorkingSetSize = $objItem.WorkingSetSize / 1024
      if ($objItem.WorkingSetSize -gt 25600) { # if the prosess uses more than 25600K of memory, highlight it with red color
      write-host  $objItem.Name, $objItem.WorkingSetSize -foregroundcolor "red" -backgroundcolor "black"
      $crits++} # increment $crit
     else {write-host  $objItem.Name, $objItem.WorkingSetSize -backgroundcolor "black" -foregroundcolor "yellow"} # else output the prosess with yellow text
     $count++ # increment the counter
}
write-host $count " prosesses running " $crits " are using more than 25 MB memory" -backgroundcolor "black" -foregroundcolor "green"