About: http://webisa.webdatacommons.org/339782999

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	Operating systems, such as Windows??? and OS/2???, provide a known environment and make system resources available by establishing a virtual environment for running utilities.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com