[TUHS] History of cal(1)?

[Dave Horsfall via TUHS]

On Thu, 25 Sep 2025, Clem Cole via TUHS wrote:

[...]

> and the >>copyright<< was all we were worried about at the time.  You
> can do that with any directory that contains source from AT&T and I bet
> you'll find them.  They freely put copyright in everything.  Even early
> UNIX itself prints a banner when you log in, stating that Western Electric
> holds the copyright on the product you are using.

Heck; at one time the "true" command was a Shell script with a huge
copyright notice, followed by... nothing...  (The "false" script
actually had "exit 1" at the end.)

-- Dave