Anyway, if you restrict yourself to tools that are installed by default on your system, then it will be difficult to do many interesting things with a 4.5G RDF file ;-) Seriously, the RDF dump is really meant specifically for tools that take RDF inputs. It is not very straightforward to encode all of Wikidata in triples, and it leads to some inconvenient constructions (especially a lot of reification). If you don't actually want to use an RDF tool and you are just interested in the data, then there would be easier ways of getting it.