hdfsdfs-mkdir/home/hdp-ait/wangwei22hdfsdfs-ls/home/hdp-ait/wangwei22hdfsdfs-du-h/home/hdp-ait/wangwei22hdfsdfs-touchz/home/hdp-ait/wangwei22/a.txthdfsdfs-rm/home/hdp-ait/wangwei22/edges.txthdfsdfs-rm/home/hdp-ait/wangwei22/vertexs.txt