The cartoonist was Bob Johnson.  That cartoon is on page 343.

The UNIX Primer Plus was published by Sams in 1983...

On Wed, Apr 10, 2019 at 1:57 PM Pat Barron <patbarron@acm.org> wrote:
This book can apparently be "borrowed" from the Internet Archive.  I'm not
sure how they do that, haven't tried to, I just see it says you need to
log in to borrow the book for 14 days.

https://archive.org/details/unixprimerplus00wait

--Pat.


--
Eric Wayte