1. version

hadoop version

2. mkdir

hdfs dfs –mkdir /path/directory_name

3. ls

hdfs dfs -ls /path

4. put

hdfs dfs -put <localsrc> <dest>

5. copyFromLocal

hdfs dfs -copyFromLocal <localsrc> <hdfs destination>

6. get

hdfs dfs -get <src> <localdest>

7. copyToLocal

hdfs dfs -copyToLocal <hdfs source> <localdst>

8. cat

hdfs dfs –cat /path_to_file_in_hdfs

9. mv

hdfs dfs -mv <src> <dest>

10. cp

hdfs dfs -cp <src> <dest>

11. du

hdfs dfs –du –s /directory/filename

12. text

hdfs dfs –text /directory/filename

13. count

hdfs dfs -count <path>

14. setrep

hdfs dfs -setrep -R  4 /geeks

15. start-all.sh 16. jps 17. chmod

hdfs dfs -chmod [-R] <mode> <path>

18. getmerge

hdfs dfs -getmerge <src> <localdest>