Linux and Open Source

Linux
FreeBSD
OpenBSD
NetBSD
Apache Web Server
Open Office.org - MS Office
K Office - MS Office
KDE
Gnome
K3B - Nero, Roxio easy CD creator
GFTP - Cute FTP, Flash FXP
Mozilla - Internet explorer, Netscape
Tight VNC - WinVNC
Kopete - Trillian
gtk-gnutella - Shareaza, Limewire
Limewire
XMMS - Winamp
Audacity - Cool Edit Pro
MPlayer - Windows Media Player
Xine - Win DVD
KPaint - MS Paint
The Gimp - Adobe Photoshop, Paintshop Pro

www.linuxiso.org
www.opensource.org
sourceforg.net
freshmeat.net
slashdot.org

Define proprietary
Define Open Source

Define Operating system

Linux History:
Linux is a free Unix-type operating system originally created by Linus Torvalds beginning in 1991 with the assistance of developers around the world. Developed under the GNU General Public License , the source code for Linux is freely available to everyone. 

Linux and Windows
	proprietary vs opensource
	
uses of linux
	software development tools for - Perl, C, C++, Java, Python
	Various types of servers - Apache Web Server (powers 50% of worlds web servers)
	desktop programs
	some popular games 

Linux Programs comparable to windows programs

This freedom has made it possible for hardware vendors to develop drivers for their particular devices without having to obtain an expensive source code license or sign restrictive non-disclosure agreements. And it has made it possible for computer science students around the world to see the insides of a real, commercial-quality operating system. Some distribution vendors make their complete distribution, including installation software, available for free on the Internet. Others elect to make their installation software proprietary and sell the package with support for a nominal fee---generally under $100.   

ID software: Doom 3. Unreal Tournament 2004, Neverwinter Nights, Serious Sam, Medal of Honor and America's Army:Operations

Cedega is a product from Transgaming Corp. that allows you to play many A-list games on Linux with minimum effort.

Of, relating to, or suggestive of a proprietor or to proprietors as a group: had proprietary rights; behaved with a proprietary air in his friend's house. 
Exclusively owned; private: a proprietary hospital. 
Owned by a private individual or corporation under a trademark or patent: a proprietary drug. 

A method and philosophy for software
licensing and distribution designed to encourage use and
improvement of software written by volunteers by ensuring that
anyone can copy the source code and modify and distribute it freely.