The last I heard, the FAA's Air Traffic Control is running with JOVIAL  
(Jule's Own Version of ALGOL) that dates from the
1960s.  Dispite their failed attempt to replace the ATC system with  
"modern" hardware/software some 20 years ago, the core h/s is still 1960s.

Gene

PS:  I'm still running a 1992 application on my Amiga (My program using a  
dBASE III work-alike package).

On Thu, 30 Nov 2006 09:02:44 -0700, Jeremy C. Reed <reed@reedmedia.net>  
wrote:

> I was was wondering what is the oldest software in use.
>
> What is the oldest software that you use?
>
> I sometimes play xvier (no version) from July 1992.
>
> And I sometimes use mm (metamail) 2.7 from Feb. 1994. But I have recent
> patches for metamail so that doesn't count for me.
>
> I also sometimes use GNU ed 0.2 from Nov. 1994. It has a patch for the
> info file from maybe five years ago too. But now ed has been revived and  
> a
> new release was made within past couple weeks.
>
> Another old program I use is findutils "find" 4.1 from Nov. 1994. But I
> also have various recent patches for it.
>
> And I use mpage 2.5 from November 1997. But I know mpage has a recent
> versions so I may update soon.
>
> I also sometimes use xearth 1.1 from Nov. 1999 with a patch from 2002 but
> I am now using xplanet instead. And I also use psutils p17 from Jan.  
> 2000.
> And I sometimes use sgmltools-lite 3.0.3 from Jun. 2001.
>
> I also looked at the standard tools I use (under NetBSD) but everything
> except uname appears to have been updated within last few years. So I use
> "uname" from Nov. 1998. But that is not a good example as it is not
> released by itself. (I didn't look specifically at coreutils source to
> compare with that.)
>
> Some of my customers use BSD/OS versions from mid 1990's with newer
> updates of some services, but still lot of software from mid to early
> 1990's still in use.
>
> Some of my customers run real qmail 1.03 which had last release in June
> 1998. (New patches are available and netqmail is probably becoming more
> used now.)
>
> What is the oldest software you use?
>
> What is the oldest software used at work?
>
> Is there newer versions available? If so, why use old?
>
> Jeremy C. Reed
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