add this in your aliases. displays the total and freespace of your hard drives.
to use this just type '/sys'

Example....

System Info...
Running Win 2K :: Current Time is (5/5/04@2:58am)
Uptime: 1day 1hr 16mins 33secs
Physical Drives:
c:\ [free(27.41gB) total(37.25gB)]
e:\ [free(54.69gB) total(74.5gB)]
f:\ [free(8.66gB) total(29.3gB)]
g:\ [free(29.22gB) total(29.29gB)]
Total freespace = 131.51 of 185.01gB

alias freespace { return $round($calc(($disk($$1).free)/1024^3),2) $+ gB }
alias totalspace { return $round($calc(($disk($$1).size)/1024^3),2) $+ gB }
alias sys {
  var %i = 0
  echo -a System Info...
  echo -a Running Win $os :: Current Time is ( $+ $asctime(m/d/yy) $+ @ $+ $time(h:nntt) $+ )
  echo -a Uptime: $duration($calc(($ticks)/1000))
  echo -a Physical Drives:
  while (%i <= $disk(0)) {
    :next
    inc %i 1
    if ($disk(%i) == $false) { goto next }
    elseif (%i == $disk(0)) { goto end }
    else { echo -a $lower($disk(%i).path)  [free( $+ $freespace(%i) $+ ) total( $+ $totalspace(%i) $+ )] }
  }
  :end
  var %x = 0 | var %s = 0 | var %f = 0
  while (%x <= $disk(0)) {
    :next1
    inc %x 1
    if (%x == $disk(0)) {
      inc %s $calc(($disk(%x).size)/1024^3)
      inc %f $calc(($disk(%x).free)/1024^3)
      goto end1
    }
    else {
      inc %s $calc(($disk(%x).size)/1024^3)
      inc %f $calc(($disk(%x).free)/1024^3)
      goto next1
    }
  }
  :end1
  echo -a Total freespace = $round(%f,2) of $round(%s,2) $+ gB
}