About: http://webisa.webdatacommons.org/384449001

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	At a fundamental level, Mac OS X is a proprietary operating system based on a free software platform, and its development environment is based on a free software platform, supported by a proprietary development tool.
http://www.w3.org/ns/prov#wasQuotedFrom	freesoftwaremagazine.com