History
=======

Generations
-----------

TODO

1st gen (1945-55)
^^^^^^^^^^^^^^^^^

TODO

2nd gen (1955-65)
^^^^^^^^^^^^^^^^^

TODO

3rd gen (1965-80)
^^^^^^^^^^^^^^^^^

TODO

4th gen (1980-present)
^^^^^^^^^^^^^^^^^^^^^^

TODO

5th gen (1990-present)
^^^^^^^^^^^^^^^^^^^^^^

TODO

Unix
----

TODO

BSD
---

TODO

Then:

- NetBSD: TODO
- FreeBSD: TODO
- etc...

Minix
-----

TODO

NT
--

TODO

Linux
------

Key moments:

* "`just a hobby, won't be big and professional like gnu <https://groups.google.com/g/comp.os.minix/c/dlNtH7RRrGA/m/SwRavCzVE7gJ>`_"

* `Linus vs Tanembaum "Linux is Obsolete" debate <https://www.xach.com/linux_is_obsolete.html>`_