About: http://webisa.webdatacommons.org/19231603

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	Now this term 'General Purpose Operating System' appeared in a document, and I find myself wondering what are the types of OS out there.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com