"Randal L. Schwartz" wrote:
> 
> >>>>> "Marcel" == Marcel Weiher <marcel at metaobject.com> writes:
> 
> Marcel> cat <file> | tr ' ' \\12 |  sort | uniq | wc
> 
> Which of course would be a "useless use of cat"...
> 
>   http://www.ling.helsinki.fi/~reriksso/unix/award.html
>

In all seriousness, there is a great paper about Unix from a Smalltalk 
perspective called "UNIX Needs A True Integrated Environment: CASE
Closed" available here:
http://www.parc.xerox.com/publications/pubs-hst.html

Here is another interesting essay about Unix:
http://www.cs.hmc.edu/~smikes/emacs/ed.html