[TUHS] Oldest Unix source code still in modern systems

Armando Stettner aps at ieee.org
Tue May 22 01:43:10 AEST 2012

I would have suspected the oldest source code still existing in systems would be along the lines

 * you are not expected to understand this.



Sent from my iPad

On May 21, 2012, at 11:00 AM, "Jeremy C. Reed" <reed at reedmedia.net> wrote:

> On Mon, 21 May 2012, Warren Toomey wrote:
>> I was doing a trawl of related Unix source trees, and found that some early
>> C code from around 2nd Edition Unix is still in OpenSolaris today:
>> http://minnie.tuhs.org/cgi-bin/utree.pl?file=V2/cmd/if.c
>> Choose: Compare this file to OpenSolaris_b135/cmd/fmli/sys/test.c
>> and then click on the Side Scroll or the Printable button.
>> There's about 15 lines of code in common between the 2 files.
> Cool.  I recently did the same thing for BSD. 
> http://www.bsdnewsletter.com/2012/05/Features181.html
> Some examples of code that is mostly the same since the first Berkeley 
> distribution are: colcrt, expand, mkstr, and soelim. But a few others 
> still have some of the original ~1976-1977 code.
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