This document provides an overview of alternative operating systems to Linux, including the BSD family like FreeBSD and OpenBSD. It also discusses web-based operating systems ("webtops") like Ulteo, Oodesk, and G.host. Finally, it lists some references for learning more about the history of operating systems and specific operating systems like EyeOS and CmyOS.

1. CI1131 ICT Lecture Introduction to Operating Systems (3): other OSs

2. Alternatives to Linux the BSD family: FreeBSD NetBSD DesktopBSD (based on FreeBSD) OpenBSD (forked from NetBSD) Darwin (based on FreeBSD and NextStep)

3. Alternatives to Linux BeOS / Zeta / Haiku Syllable (based on AtheOS, an Amega clone) KolibriOS (based on MenuetOS) OpenVMS / FreeVMS (based on VMS) ReactOS (MS Windows clone) Aros / Aranym (“Atari Running on Any Machine”)

4. 'Webtops': web-based Oss [1] Ulteo http://ulteo.com Oodesk http://www.oodesk.com G.ho.st (My rating: *****) http://g.ho.st EyeOS http://eyeos.info Jooce http://www.jooce.com

5. 'Webtops': web-based Oss [2] DesktopTwo http://desktoptwo.com ZimDesk http://www.zimdesk.com Webdesk http://www.webdesk.in AstraNOS http://www.astranos.org iCUBE Online Operating System http://www.oos.cc ajaxWindows (My rating: *****) http://www.ajaxwindows.com

6. 'Webtops': web-based Oss [3] StartForce (My rating: *****) http://www.startforce.com A fairly comprehensive list of 45+ web-based operating systems can be found at: http://mashable.com/2007/08/22/web-os/

7. A Short History of OSs http://en.wikipedia.org/wiki/Operating_system http://computer.howstuffworks.com/operating-system.htm http://en.wikipedia.org/wiki/List_of_operating_systems

8. EyeOS and CmyOS