print(" \tTotal\tFree\tUsed")
io.write("Mem\t")
io.write(tostring(math.floor(computer.totalMemory()/1024)).."K\t")
io.write(tostring(math.floor(computer.freeMemory()/1024)).."K\t")
print(tostring(math.floor((computer.totalMemory()-computer.freeMemory())/1024)).."K\t")