GraphChi Pagerank Example(Please Do reply)

[prachi agrawal]

java -Xmx2048m -cp target/graphchi-java-0.2-jar-with-dependencies.jar edu.cmu.graphchi.apps.Pagerank [GRAPH-FILENAME] [NUM-OF-SHARDS] [FILETYPE]

In graph-filename-what should be the input..?

and in num-of-shards..??

and in filetype also..?

please reply back sir it is very important for me.