The useful program ping can be used to quickly test connections on your computer network. sends a signal from your computer to a specified network address. If the computer at that address responds, ...

Terminal on your Mac can do some surprisingly useful things, such as check your internet’s speed, change which kinds of apps you see in the dock, and help you shut down your Mac at a scheduled time.

Ping a website or another online server to test your computer's connection to that computer and measure the time it takes for data packets to travel there and back. By default, the ping command sends ...

The command-line interface of your Mac lets you get into the Unix underpinning that makes Macs so powerful. Learn the top commands everyone should know to be a Mac power user. Over the years, the Mac ...