Penny's OS -- Acknowledgements

 
The operating system softwares used in "Penny's OS" were compiled with the help of the following sources:

"Computer Operating Systems", Computer Hope (accessed May 1 - June 30, 2010).  http://www.computerhope.com/os.htm

"Debian Based Linux Distributions and Live Cd's", Debian Help, n.d. Web (accessed May 15-June 30, 2010).   http://www.debianhelp.co.uk/debian.htm

Éric Lévénez, "Unix History," Éric Lévénez's site. Web (accessed May 1 - June 30, 2010).  http://www.levenez.com/unix/

Pierre Lewis & Ted Timar, "Brief Notes on Some Well-Known (Commercial) Unices," Unix - Frequently Asked Questions, Fax.org, June 11, 1996. Web (accessed May 1 - June 30, 2010).
http://www.faqs.org/faqs/unix-faq/faq/part6/section-6.html

"List of BSD operating systems", Wikinfo (accessed May 1 - June 30, 2010).  http://www.wikinfo.org/index.php/List_of_BSD_operating_systems

"List of Linux distributions", Wikinfo (accessed May 1 - June 30, 2010).  http://www.wikinfo.org/index.php/List_of_Linux_distributions

"List of operating systems", Wikipedia (accessed May 1 - June 30, 2010).  http://en.wikipedia.org/wiki/List_of_operating_systems

Jim Mooney, "Catalog of Operating Systems", Lane Department of Computer Science and Electrical Engineering, College of Engineernging and Mineral Resources, University of West Virginia (accessed May 1 - June 30, 2010).
http://www.csee.wvu.edu/~jdm/classes/cs258/OScat/          cache

"The Most Popular Operating Systems", Linux Information Project. Web (accessed May 1 - June 30, 2010).
http://www.linfo.org/operating_systems_list.html

Operating System Documenation Project . Web (accessed May 1 - June 30, 2010).
http://www.operating-system.org/

"Operating System Index", OSDEV Community, osd.com, Nov. 29, 2006. Web (accessed May 1 - June 30, 2010).
http://www.osdcom.info/content/view/28/38/


"Software Distributions Based In Debian", Debian.org. Web (accessed May 1 - June 30, 2010).
http://www.debian.org/misc/children-distros
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Some of the operating systems listed are proprietary softwares owned by companies including:

Acorn Computers
Amiga Inc.
Apollo Computer
Apple Inc.
Atari
BAE Systems
Be Inc.
Burroughs Corporation
Control Data Corporation
Convergent Technologies
Data General
DataPoint
Digital Research Inc
Digital/Tandem Computers/Compaq/HP
ENEA AB
Fujitsu
Gould CSD
Green Hills Software
Hewlett-Packard
Honeywell
Intel Corporation
IBM
International Computers Limited
LynuxWorks
Micrium Inc.
Microsoft
MontaVista Software
NCR Corporation
Novell
Quadros Systems
QANTEL
RCA
ResearchInMotion
RoweBots
The SCO Group
Scos
Scientific Data Systems
Systems Engineering Laboratories
SYSGO
TmaxSoft
TRON Project
Unicoi Systems
Unisys
Wavecom
Wang Laboratories
Wind River Systems