About: http://webisa.webdatacommons.org/47742080

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	Nice! type -a cd shows both cd is a shell builtin and cd is /usr/bin/cd on my Mac.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com