Hadoop HDFS Commands Quiz

How can you create a directory in HDFS?

• mkdir

• 1

• 2

• 3

What command lists files in a directory in HDFS?

• list

• hdfs dfs -ls

• hdfs dfs -files

• hdfs dfs -dir

Which command is used to upload files from the local file system to HDFS?

• put

• hdfs dfs -copyFromLocal

• copyToHDFS

• hdfs dfs -move

How can you remove a directory or file in HDFS?

• hdfs dfs -rmdir

• hdfs dfs -rm

• hdfs dfs -rm

• hdfs dfs -remove

The command to deletes the directory `directory` and its contents recursively from HDFS.

• hdfs dfs -rm -r [path]

• hadoop fs -rm [path]

• hdfs dfs -remove [path]

• None of these

The command changes the permissions of `file.txt` to `755`.

• hadoop fs -chmod 755 /file.txt

• hdfs dfs -chmod 755 /file.txt

• hdfs dfs -stat

• hadoop fs -check

The command displays the file status

• hdfs dfs -blocks

• hdfs dfs -locations

• hdfs dfs -stat

• hdfs dfs -find

The command for Copying Files within HDFS

• hdfs dfs -copy [source_path] [destination_path]

• hdfs dfs -mv [source_path] [destination_path]

• hdfs dfs -cp [source_path] [destination_path]

• All of These

The Command for displaying directory tree

• hdfs dfs -lsr [path]

• hdfs dfs -ls -R [path]

• hdfs dfs -ls

• hdfs dfs -view

The Command for Checking HDFS Directories/file health checkup

• hdfs fsck <path> [options]

• hdfs dfs -status

• hdfs dfs -snap

• None of these