Re: [tlug] Email issues

[tlug@example.com]

On Monday 06 August 2007 21:32:18 Curt Sampson wrote:
> On Mon, 6 Aug 2007, Josh Glover wrote:
> > Just a guess. Does anyone know who wrote the original version of
> > dd(1), and when?
>
> I've personally seen it in the 6th Edition, so mid-to-late 70s at the
> very latest. The syntax is almost certainly ripped off from a similar
> program on some other OS, though I'm guessing not PIP.

I did a little research and found the following on Wikipedia:

>Wikipedia< dd is a common UNIX program whose primary purpose is the low-level
>Wikipedia< copying and conversion of files. The title of the UNIX sixth
>Wikipedia< edition manual page of May 1975 was dd - convert and copy a file,
>Wikipedia< and some have suggested[citation needed] that since "cc" was
>Wikipedia< already in use as the code for the C Compiler, "dd" was used
>Wikipedia< instead; in any case, DD is an acronym for "data definition" in
>Wikipedia< IBM JCL (to which the command's syntax bears a strong resemblance)
>Wikipedia< and the name and syntax of the command is generally presumed to be
>Wikipedia< a bit of gallows humor.        

http://en.wikipedia.org/wiki/Dd_(Unix)

Cheers,

Travis