[kwlug-disc] Permissive vs copyleft licenses

[Mikalai Birukou]

> 	https://www.gnu.org/gnu/gnu-history.html
> 	https://www.gnu.org/gnu/initial-announcement.html
> 	https://en.wikipedia.org/wiki/Berkeley_Software_Distribution
> 	https://www.freebsd.org/doc/en_US.ISO8859-1/articles/bsdl-gpl/unix-license.html
> 	https://en.wikipedia.org/wiki/UNIX_System_Laboratories,_Inc._v._Berkeley_Software_Design,_Inc.
>
> 	1971		- RMS begins at MIT in a free software world by default
> 	1976		- Bill Gates open letter to hobbyists
> 	1978		- BSD license

Binding this into societal context of the time, "The popularity of the 
[brutalism architecture] movement began to decline in the late 1970s, 
with some associating the style with urban decay and totalitarianism." 
(quote from https://en.wikipedia.org/wiki/Brutalist_architecture )

> 	1980's		- proprietary licenses claim parts of Unix systems...
> 			  to run a complete one, you had to agree to a
> 			  software license, as I understand it
> 	1983		- GNU project starts, to avoid such license agreements
> 	1985		- FSF starts
> 	Feb 1989	- GPLv1 license released
> 	Jun 1989	- Net/1 BSD
> 	Jun 1991	- Net/2 BSD
> 			- GPLv2 license released
> 	Jul 1991	- Linus's post to comp.os.minix
> 	1992		- Linux released under GPLv2
> 	early 1990's	- AT&T, BSDi, and University of California Berkeley
> 			  in court fighting over Unix / BSD
> 	mid 1990's	- Novell buys AT&T Unix, UCB terminates BSD support