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[Discuss] learn or teach programs

I used learn on our Unix (version 7) system back in 1979 or 1980. At
that time we were using Unix on a PDP-11. We were implementing a
Microsoft Xenix on one of our products, and I wanted to lean C
programming. I have a very ancient K&R I used to learn C.

On 01/16/2014 05:35 PM, Mike Small wrote:
> Eric Chadbourne <eric.chadbourne at> writes:
>> I don't see in on my Ubuntu laptop.  Would be a neat option to have.
> I'm not sure it's exactly the same program cause it doesn't mention John
> Kunze, but if you want it you should be able to pull from OpenBSD's
> repository as long as you use a tag of OPENBSD_4_7_BASE. Here's the
> readme from a commit labeled, "import BTL learn(1)"  (BTL?):
> "Learn was originally written by Mike Lesk with some contributions
> from Brian Kernighan.  The paper in this directory dates from the
> second version of learn, around 1979.
> This version of learn has been resurrected from the original V7
> source and edited enough that the source compiles and the
> lessons can be executed.  We have made no attempt to update the
> lessons, nor to fix some of the glaring problems with the code.
> Think of it as a historical document, not a polished system.
> cd src
> make
> learn"
> --;hideattic=0;only_with_tag=OPENBSD_4_7_BASE
> Seems they yanked it out a few years ago: 
> "Remove a long-dead skeleton found under the floorboards.
> "go for it" tedu@, "kill it" deraadt@"
> --
>> On Thu, Jan 16, 2014 at 12:39 PM, Mike Small <smallm at> wrote:
>>> Was re-reading The Unix Programming Environment by K&P. In the first
>>> chapter it suggests you look for a program named learn or teach on your
> ...
>>> I don't have such a thing on my home system (OpenBSD), but panix's
>>> NetBSD system seems to still have one named learn by John Kunze. This is
>>> all I could find on the web about it:

Jerry Feldman <gaf at>
Boston Linux and Unix
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