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You know, William Safire should give up discussing any word more recent than 1970. Whoever his Internet experts are, they apparently have the long-term memory and historical expertise of paramecia. In today's "On Language" column, we read:
A ping is not just the word for a sound anymore. It is also an acronym for "packet Internet gopher," a program that tests whether a destination is online and can also be the gently noisy notification sent when a blog needs updating or has been updated.
It's hard to know where to start. I began --after clearing the bloody foam from my upper lip-- with a simple Google for "ping history". The story of the PING program:
"Yes, it's true! I'm the author of ping for UNIX. Ping is a little thousand-line hack that I wrote in an evening which practically everyone seems to know about. :-)
I named it after the sound that a sonar makes, inspired by the whole principle of echo-location. In college I'd done a lot of modeling of sonar and radar systems, so the "Cyberspace" analogy seemed very apt. It's exactly the same paradigm applied to a new problem domain: ping uses timed IP/ICMP ECHO_REQUEST and ECHO_REPLY packets to probe the "distance" to the target machine.
In December of 1983 I encountered some odd behavior of the IP network at BRL....
Let's assume that Mr. Safire isn't comfortable enough with the Internet to make use of a search engine. In that case, years of practice writing about language should have made his nostrils twitch whenever something was declared to be an acronym; acronyms are the rhinoviruses of folk etymology, ubiquitous yet hard to remove.
Anybody who has ever seen a submarine movie -- I suggest "The Hunt For Red October" -- is aware that "ping" is a term of art used in sonar: you send out a single pulse and wait to hear what echoes back. It's called a "ping" because, well, it goes ping, or did. The Internet use of "ping" is a precise analogy; the history I cite explains that the analogy was in the mind of the inventor.
Oh, and Mr. Safire? "Fuck" isn't an acronym either. Just in case you were wondering.