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<http://webisa.webdatacommons.org/prov/107453570>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/288982814> .
<http://webisa.webdatacommons.org/288982814>	<http://www.w3.org/ns/prov#value>	"All computer systems including personal computers (PCs) execute operating system programs such as MS-DOS (disk operating system) and WINDOWS to instruct the computer systems on how to use other application specific programs such as word processing and spreadsheet programs." .
<http://webisa.webdatacommons.org/288982814>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .