<http://webisa.webdatacommons.org/49787842>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.co.uk> .
<http://webisa.webdatacommons.org/prov/73128165>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/49787842> .
<http://webisa.webdatacommons.org/49787842>	<http://www.w3.org/ns/prov#value>	"According to the invention, in an apparatus that includes an operating system means (illustratively the MS-DOS??? operating system plus the PC Interface) for providing services to users such as application programs, there is provided an arrangement which is distinct from the operating system means and which (a) traps a user request for a service directed to the operating system means, (b) ensures" .
<http://webisa.webdatacommons.org/49787842>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .