Ever noticed how when you ping a device, it only does it 4 times then stops? Not very helpful if you’re looking for an intermittent connection problem or want to see exactly when a device drops offline or comes back online.
ping -t 192.168.1.1
Now you can watch the ping “time” change over a period of however long you feel like watching it. Hit Control-C to stop it.
On a Mac:
Oh wait, Macs already ping forever by default.