[Ads-l] "to ping"

[MULLINS, WILLIAM D (Bill) CIV USARMY RDECOM AMRDEC (US)]

Also in submarine/sonar contexts.  See, for example _The Hunt for Red October_( 1984):
"We have ships there waiting for you.  If you understand and agree please ping us again one time."


> 
> I'm fairly 'ping' has been discussed on this forum in years past. It is widely used (at least in the IT community) to mean 'contact in order to
> get an opinion about something or let someone know about something coming up'.
> 
> I assume the etymology is from the old UNIX command, which puts it back in the pleistocene era (in computer years).
> 
> Geoff
> 
> 
> 
>  Geoffrey S. Nathan

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