Use GeekTool to track network data transfer rates Mar 27, '09 07:30:04AM • Contributed by: Anonymous I use GeekTool to display some network information for my MacBook on my desktop. One thing I couldn't find was a way to show the current transfer rate (in Kb/sec) in and out. So I wrote a shell script that calls on netstat, waits one second, calls on netstat again, and then uses the difference in t