About: http://webisa.webdatacommons.org/346452819

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	I would argue, as per my answer below, that PATH and other environment variables are not the issue due to the shell behavior using backticks, which exec_shell emulates.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com