cua*x naming? [Was: Re: FreeBSD 6.0-BETA1 Available]

[Oliver Fromme]

Brandon S. Allbery KF8NH <allbery at ece.cmu.edu> wrote:
 > On Mon, 2005-07-18 at 18:18 +0200, Emanuel Strobl wrote:
 > > Am Sonntag, 17. Juli 2005 21:12 CEST schrieb Robert Watson:
 > > > (2) /dev/cuaa* has been renamed to /dev/cuad*
 > > 
 > > I saw that cuaa got cuad and ucom0 got cuaU0. Now what is the meaning of 
 > > cua? tty AFAIK is TeleTYpe...
 > 
 > Call(-out) Unit Access, IIRC.

Yes.  I remember that some systems (Solaris) used the term
ACU for "automatic call unit", which just means a modem.

I've also seen interpretations saying that "cua" is related
to UART (universal asynchronous receiver/transmitter), which
is the basic function description of a serial controller.

Best regards
   Oliver

-- 
Oliver Fromme,  secnetix GmbH & Co KG, Marktplatz 29, 85567 Grafing
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