About: http://webisa.webdatacommons.org/100389969

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	The PROMPT_COMMAND variable, if set, is a command that gets run before displaying the prompt specified in PS1.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com