The 'ping' command on most flavors of Unix has a nifty little feature that lets you select which port to ping on. It's handy when troubleshooting network applications. For example, if some wierd app.

Apple’s new social network for music fans, Ping, has had a rough start. People didn’t expect it to be a Facebook for music right away but they did expect more from Apple. After years of social media ...

Apple [AAPL] has announced that its new music-based social network, Ping, has reached over one million users in the first 48 hours. According to Apple, over one-third of users who downloaded the new ...