Differentiate between proprietary and open source software

OPEN SOURCE SOFTWARE	ASPECT	PROPRIETARY SOFTWARE
Open source software is: o software provided for use, modification and redistribution o software that any programmer can download from the Internet for free and modify with suggested improvements. o the only qualification is that changes can't be copyrighted	DEFINITION	o Proprietary software is also called closed source software. The closed source software or proprietary software offers a stable system with support if the software fails or malfunctions.
o User can get open source software for free of charge	PRICE	o User must pay to get the proprietary software
o User can install software freely into any computer	LICIENSE	o User must have a license from vendor before install into computer
o No one responsible to the software	OWNER	o Full support from vendor if anything happened before install into computer
o Users can modify the software	PRIVACY	o Users cannot modify the software
o Linux, Ubuntu, o OpenOffice.org Write o GIMP	EXAMPLE	o MS DOS, MAC OS, UNIX, Solaris, Windows o Adobe Photoshop CS3