PROPRIETARY AND OPEN SOURCE SOFTWARE

PROPRIETARY AND OPEN SOURCE SOFTWARE

• 1.
  CHAPTER 2: COMPUTER SYSTEMS Proprietaryand Open Source Software
• 2.
  At the endof the lesson, student should be able to:  Identify and differentiate between proprietary and open source software
• 3.
  Proprietary Software  Proprietary Software (Closed Source Software) means the company that developed the software owns the software and no one may duplicate it or distribute it without that company’s permission.  Users have to pay to the software company if they want to use the proprietary software.  Examples: Microsoft Office 2007 Adobe Photoshop CS3 Adobe Flash CS3 Corel Office X3 Windows 7
• 4.
  Open Source Software  Open Source Software is a software that is free to use and which provides the original source code used to create it so that advanced users can modify it to make it work better for them.  Examples: Linux GIMP Blender Inkscape Mozilla Firefox 3.0 OpenOffice.org KOffice
• 5.
  The Differences betweenProprietary and Open Source Software Open Software Proprietary Software (Linux Ubuntu, OpenOffice.org Write, (Windows Vista, Microsoft Word 2007, GIMP) Adobe Photoshop CS3) S Purchased with its source s Purchased without its source code code S User can get open software s User must pay to get the for free of charge proprietary software n Users can modify the w Users cannot modify the software software w User must have a license from n Users can install software vendor before install into freely into any computer computer c No one is responsible to the s Full support from vendor if software anything happened to the software